Prepare your child for IMO, ISO, IEO, ICSO, IGKO & ISSO with olympiad-level practice.
Prepare your child for IMO, ISO, IEO, ICSO, IGKO & ISSO with olympiad-level practice.
Grade 3 & Grade 4 . IEO practice
An alphabetical study list with child-friendly meanings, two synonyms and two antonyms for every word. All vocabulary headwords contain at least five letters.
This is a curated practice list, not an official prescribed word list. Synonyms and antonyms are included in the SOF IEO syllabus. The word pairs match the meaning given; their suitability can change with context.
| No. | Word | Meaning | 2 synonyms | 2 antonyms |
|---|---|---|---|---|
| 1 | Abandon | To leave someone or something behind | desert, forsake | keep, retain |
| 2 | Absent | Not present in a place | missing, away | present, attending |
| 3 | Abundant | Available in large amounts | plentiful, ample | scarce, insufficient |
| 4 | Accept | To agree to take something | receive, take | reject, refuse |
| 5 | Accurate | Correct and without mistakes | correct, precise | incorrect, inaccurate |
| 6 | Admire | To think highly of someone | respect, appreciate | despise, scorn |
| 7 | Admit | To agree that something is true | acknowledge, confess | deny, dispute |
| 8 | Advance | To move forward | progress, proceed | retreat, withdraw |
| 9 | Advantage | Something that helps you succeed | benefit, asset | disadvantage, drawback |
| 10 | Ancient | Belonging to a very distant past | age-old, antique | modern, recent |
| 11 | Announce | To make something publicly known | declare, proclaim | conceal, withhold |
| 12 | Anxious | Worried that something may go wrong | worried, uneasy | calm, relaxed |
| 13 | Applaud | To show approval or praise | praise, commend | criticise, condemn |
| 14 | Approach | To move nearer to something | near, advance | retreat, withdraw |
| 15 | Approve | To think something is acceptable | endorse, support | reject, disapprove |
| 16 | Arrange | To put things in a proper order | organise, order | disarrange, jumble |
| 17 | Ascend | To move upwards | climb, rise | descend, fall |
| 18 | Attack | To try to hurt or damage | assault, strike | defend, protect |
| 19 | Bitter | Feeling angry about unfair treatment | resentful, angry | forgiving, content |
| 20 | Blame | To hold someone responsible for a fault | accuse, fault | absolve, excuse |
| 21 | Boldness | Willingness to act without fear | bravery, courage | timidity, cowardice |
| 22 | Brief | Lasting only a short time | short, momentary | lengthy, prolonged |
| 23 | Capable | Having the ability to do something | able, competent | incapable, incompetent |
| 24 | Cautious | Careful to avoid danger or mistakes | careful, wary | careless, reckless |
| 25 | Cheerful | Feeling or showing happiness | happy, joyful | gloomy, miserable |
| 26 | Clever | Quick to learn and understand | intelligent, smart | foolish, unintelligent |
| 27 | Clumsy | Moving awkwardly or dropping things | awkward, uncoordinated | graceful, skilful |
| 28 | Coarse | Rough in texture | rough, scratchy | smooth, fine |
| 29 | Comfort | To make someone feel less upset | soothe, console | distress, upset |
| 30 | Common | Found or happening often | usual, widespread | rare, uncommon |
| 31 | Complete | Having all its parts; finished | whole, finished | incomplete, unfinished |
| 32 | Complex | Having many connected parts | complicated, intricate | simple, straightforward |
| 33 | Conceal | To keep something hidden | hide, cover | reveal, expose |
| 34 | Confident | Sure of yourself or your abilities | assured, self-assured | doubtful, insecure |
| 35 | Confuse | To make someone unable to understand | puzzle, bewilder | clarify, enlighten |
| 36 | Constant | Continuing without a break | continuous, unceasing | occasional, intermittent |
| 37 | Construct | To build or make something | build, assemble | destroy, demolish |
| 38 | Continue | To keep doing something | persist, proceed | stop, cease |
| 39 | Contract | To become smaller or tighter | shrink, narrow | expand, enlarge |
| 40 | Courage | Strength to face fear or danger | bravery, boldness | cowardice, fearfulness |
| 41 | Cowardly | Lacking courage | fearful, timid | brave, courageous |
| 42 | Cruel | Deliberately causing pain or suffering | unkind, harsh | kind, merciful |
| 43 | Curious | Eager to learn or know more | inquisitive, interested | uninterested, indifferent |
| 44 | Damage | To harm something | harm, impair | repair, restore |
| 45 | Danger | The possibility of being harmed | peril, risk | safety, security |
| 46 | Daring | Willing to face danger | bold, adventurous | timid, cautious |
| 47 | Deceive | To make someone believe something false | trick, mislead | inform, enlighten |
| 48 | Decline | To politely refuse | refuse, reject | accept, agree |
| 49 | Decrease | To become smaller in amount | lessen, diminish | increase, grow |
| 50 | Defeat | To win against someone | beat, overcome | lose to, surrender to |
| 51 | Defend | To keep safe from attack | protect, guard | attack, assault |
| 52 | Delay | To make something happen later | postpone, defer | advance, hasten |
| 53 | Delicate | Easily damaged or broken | fragile, frail | sturdy, tough |
| 54 | Delight | A feeling of great pleasure | joy, happiness | sorrow, misery |
| 55 | Depart | To leave a place | leave, exit | arrive, enter |
| 56 | Descend | To move downwards | fall, drop | ascend, rise |
| 57 | Destroy | To damage something completely | demolish, ruin | build, create |
| 58 | Difficult | Requiring much effort | hard, challenging | easy, effortless |
| 59 | Diligent | Working carefully and with effort | hardworking, industrious | lazy, careless |
| 60 | Disagree | To have a different opinion | differ, dissent | agree, concur |
| 61 | Distant | Far away | remote, faraway | near, nearby |
| 62 | Divide | To separate into parts | split, separate | unite, combine |
| 63 | Doubtful | Not sure or convinced | uncertain, unsure | certain, confident |
| 64 | Dreary | Dull and depressing | gloomy, dismal | cheerful, lively |
| 65 | Eager | Very keen to do something | keen, enthusiastic | reluctant, unwilling |
| 66 | Effortless | Requiring little or no effort | easy, simple | difficult, demanding |
| 67 | Encourage | To give someone hope or confidence | inspire, support | discourage, dishearten |
| 68 | Enormous | Extremely large | huge, immense | tiny, miniature |
| 69 | Essential | Completely necessary | necessary, vital | unnecessary, optional |
| 70 | Expand | To become larger | enlarge, grow | shrink, contract |
| 71 | Expensive | Costing a lot of money | costly, pricey | cheap, inexpensive |
| 72 | Expert | A person with great skill or knowledge | specialist, master | beginner, novice |
| 73 | Expose | To uncover or make visible | reveal, uncover | hide, conceal |
| 74 | Extend | To make something longer | lengthen, stretch | shorten, reduce |
| 75 | External | On or relating to the outside | outer, outside | internal, inner |
| 76 | Failure | A lack of success | defeat, non-success | success, achievement |
| 77 | Faithful | Remaining loyal and true | loyal, devoted | disloyal, unfaithful |
| 78 | Famous | Known by many people | celebrated, renowned | unknown, obscure |
| 79 | Fancy | Elaborately decorated | ornate, decorative | plain, simple |
| 80 | Fearless | Not afraid of danger | brave, courageous | fearful, timid |
| 81 | Feeble | Having very little strength | weak, frail | strong, robust |
| 82 | Fertile | Able to produce many plants or crops | productive, fruitful | barren, infertile |
| 83 | Fierce | Showing strong anger or aggression | ferocious, savage | gentle, mild |
| 84 | Flexible | Able to bend without breaking | bendable, pliable | rigid, stiff |
| 85 | Foolish | Showing poor judgement | silly, unwise | wise, sensible |
| 86 | Foreign | Coming from another country | overseas, non-native | native, domestic |
| 87 | Forgive | To stop blaming someone for a wrong | pardon, excuse | blame, condemn |
| 88 | Fortunate | Having good luck | lucky, blessed | unlucky, unfortunate |
| 89 | Fragile | Easily broken or damaged | delicate, breakable | strong, durable |
| 90 | Freedom | The state of not being controlled or confined | liberty, independence | captivity, imprisonment |
| 91 | Frequent | Happening often | repeated, regular | rare, infrequent |
| 92 | Generous | Willing to give and share | giving, charitable | selfish, stingy |
| 93 | Gentle | Kind and careful in behaviour | mild, tender | rough, harsh |
| 94 | Gloomy | Feeling sad and without hope | unhappy, downcast | cheerful, hopeful |
| 95 | Graceful | Moving smoothly and attractively | elegant, poised | clumsy, awkward |
| 96 | Grateful | Feeling thankful | thankful, appreciative | ungrateful, unappreciative |
| 97 | Greedy | Wanting more than you need | grasping, selfish | generous, giving |
| 98 | Guilty | Responsible for doing something wrong | blameworthy, at fault | innocent, blameless |
| 99 | Harmless | Not likely to cause harm | safe, inoffensive | harmful, dangerous |
| 100 | Harsh | Unkind or unnecessarily severe | stern, severe | gentle, mild |
| 101 | Hasty | Done too quickly and without enough thought | hurried, rushed | careful, deliberate |
| 102 | Honest | Speaking the truth and not cheating | truthful, trustworthy | dishonest, deceitful |
| 103 | Hopeful | Expecting something good to happen | optimistic, encouraged | hopeless, pessimistic |
| 104 | Humble | Not thinking you are better than others | modest, unassuming | arrogant, conceited |
| 105 | Ignore | To pay no attention to something | disregard, overlook | notice, heed |
| 106 | Illegal | Not allowed by law | unlawful, forbidden | legal, lawful |
| 107 | Imaginary | Existing only in the mind | imagined, make-believe | real, actual |
| 108 | Immense | Extremely large in size or amount | enormous, vast | tiny, minute |
| 109 | Impatient | Easily annoyed by having to wait | restless, intolerant | patient, tolerant |
| 110 | Impolite | Showing poor manners | rude, discourteous | polite, courteous |
| 111 | Important | Having great value or meaning | significant, major | unimportant, trivial |
| 112 | Improve | To make something better | enhance, better | worsen, damage |
| 113 | Include | To make something part of a group | contain, incorporate | exclude, omit |
| 114 | Increase | To become larger in amount | grow, rise | decrease, diminish |
| 115 | Inferior | Lower in quality or standard | poorer, worse | superior, better |
| 116 | Innocent | Not responsible for wrongdoing | blameless, guiltless | guilty, blameworthy |
| 117 | Intelligent | Able to learn and understand well | clever, bright | unintelligent, foolish |
| 118 | Interesting | Holding your attention | engaging, fascinating | boring, dull |
| 119 | Justice | Fair treatment of people | fairness, impartiality | injustice, unfairness |
| 120 | Knowledge | Information and understanding gained by learning | understanding, learning | ignorance, unawareness |
| 121 | Lawful | Allowed by law | legal, permitted | illegal, unlawful |
| 122 | Lengthen | To make something longer | extend, elongate | shorten, trim |
| 123 | Lessen | To make something smaller in amount | reduce, decrease | increase, enlarge |
| 124 | Likely | Expected to happen | probable, expected | unlikely, improbable |
| 125 | Lively | Full of life and energy | energetic, spirited | dull, lifeless |
| 126 | Lonely | Unhappy because you lack company | lonesome, isolated | befriended, accompanied |
| 127 | Loosen | To make something less tight | slacken, release | tighten, fasten |
| 128 | Loyal | Giving steady support to someone | faithful, devoted | disloyal, unfaithful |
| 129 | Major | Very important or serious | significant, important | minor, insignificant |
| 130 | Mature | Fully grown or developed | grown-up, developed | immature, undeveloped |
| 131 | Maximum | The greatest possible amount | highest, greatest | minimum, least |
| 132 | Merciful | Showing kindness instead of harsh punishment | forgiving, compassionate | cruel, merciless |
| 133 | Mighty | Having great strength or power | powerful, strong | weak, feeble |
| 134 | Minor | Small in importance or seriousness | slight, lesser | major, significant |
| 135 | Miserable | Extremely unhappy | unhappy, sorrowful | happy, cheerful |
| 136 | Modern | Relating to the present time | current, contemporary | ancient, old-fashioned |
| 137 | Modest | Not boasting about your abilities | humble, unassuming | boastful, conceited |
| 138 | Narrow | Having little width | slim, slender | wide, broad |
| 139 | Natural | Existing in nature; not made by people | unprocessed, unmanufactured | artificial, synthetic |
| 140 | Negative | Expecting bad results | pessimistic, doubtful | positive, optimistic |
| 141 | Nervous | Worried or uneasy | anxious, tense | calm, relaxed |
| 142 | Normal | Usual or expected | typical, ordinary | unusual, abnormal |
| 143 | Obedient | Willing to follow instructions | dutiful, compliant | disobedient, rebellious |
| 144 | Observe | To watch carefully | watch, examine | ignore, overlook |
| 145 | Obvious | Easy to notice or understand | clear, evident | unclear, hidden |
| 146 | Offend | To hurt someone's feelings | upset, insult | please, delight |
| 147 | Oppose | To act or speak against something | resist, challenge | support, favour |
| 148 | Ordinary | Not unusual or special | usual, common | unusual, exceptional |
| 149 | Painful | Causing physical pain | sore, hurting | painless, comfortable |
| 150 | Partial | Unfairly favouring one side | biased, one-sided | impartial, fair |
| 151 | Patient | Able to wait calmly | tolerant, forbearing | impatient, intolerant |
| 152 | Peaceful | Quiet and free from disturbance | calm, tranquil | noisy, turbulent |
| 153 | Permanent | Lasting and not meant to change | lasting, enduring | temporary, short-lived |
| 154 | Permit | To allow something | allow, authorise | forbid, prohibit |
| 155 | Popular | Liked by many people | well-liked, favoured | unpopular, disliked |
| 156 | Positive | Expecting good results | hopeful, optimistic | negative, pessimistic |
| 157 | Possible | Able to happen or be done | feasible, achievable | impossible, unachievable |
| 158 | Poverty | The state of having very little money | neediness, destitution | wealth, prosperity |
| 159 | Powerful | Having great strength or influence | strong, mighty | weak, powerless |
| 160 | Praise | To express approval or admiration | commend, applaud | criticise, condemn |
| 161 | Precious | Having great value | valuable, priceless | worthless, valueless |
| 162 | Prevent | To stop something from happening | stop, avert | allow, permit |
| 163 | Private | Intended for only certain people | personal, confidential | public, open |
| 164 | Proceed | To move or continue forwards | advance, continue | stop, halt |
| 165 | Profit | Money gained after paying costs | gain, earnings | loss, deficit |
| 166 | Protect | To keep someone or something safe | guard, shield | harm, endanger |
| 167 | Proud | Thinking too highly of yourself | arrogant, conceited | humble, modest |
| 168 | Public | Open or available to everyone | open, unrestricted | private, restricted |
| 169 | Punish | To give a penalty for wrongdoing | penalise, discipline | reward, pardon |
| 170 | Quarrel | An angry disagreement | argument, dispute | agreement, harmony |
| 171 | Rapid | Happening or moving quickly | fast, swift | slow, sluggish |
| 172 | Rarely | Not very often | seldom, infrequently | often, frequently |
| 173 | Receive | To get something that is sent or given | get, obtain | send, give |
| 174 | Reduce | To make smaller in size or amount | decrease, lessen | increase, enlarge |
| 175 | Refuse | To say no to something offered | decline, reject | accept, take |
| 176 | Regret | Sadness about something you did or failed to do | remorse, sorrow | satisfaction, contentment |
| 177 | Reject | To refuse to accept | refuse, decline | accept, approve |
| 178 | Release | To let someone or something go free | free, liberate | capture, confine |
| 179 | Reliable | Able to be trusted or depended on | dependable, trustworthy | unreliable, undependable |
| 180 | Relief | Comfort after worry or pain ends | comfort, reassurance | distress, anxiety |
| 181 | Remember | To bring something back to mind | recall, recollect | forget, overlook |
| 182 | Remote | Far away from other places | distant, faraway | near, nearby |
| 183 | Repair | To make a damaged thing work again | mend, fix | damage, break |
| 184 | Respect | A feeling of admiration for someone | esteem, regard | contempt, disrespect |
| 185 | Restless | Unable to relax or remain still | fidgety, uneasy | calm, settled |
| 186 | Reveal | To make something known or visible | disclose, expose | conceal, hide |
| 187 | Reward | Something given for good work or behaviour | prize, bonus | punishment, penalty |
| 188 | Rigid | Unable to bend easily | stiff, inflexible | flexible, bendable |
| 189 | Rough | Having an uneven surface | coarse, bumpy | smooth, even |
| 190 | Safety | The state of being protected from harm | security, protection | danger, peril |
| 191 | Scarce | Available in very small amounts | limited, insufficient | abundant, plentiful |
| 192 | Scatter | To spread things in different directions | disperse, spread | gather, collect |
| 193 | Secret | Kept hidden from others | confidential, concealed | public, known |
| 194 | Secure | Safe from danger or harm | safe, protected | unsafe, vulnerable |
| 195 | Seldom | Not often | rarely, infrequently | often, frequently |
| 196 | Selfish | Caring mainly about yourself | self-centred, self-serving | generous, unselfish |
| 197 | Sensible | Showing good judgement | wise, reasonable | foolish, unreasonable |
| 198 | Separate | To move or keep things apart | divide, split | join, combine |
| 199 | Serious | Not joking or being playful | solemn, earnest | playful, light-hearted |
| 200 | Shallow | Having little depth | superficial, surface-level | deep, profound |
| 201 | Shelter | To protect from danger or bad weather | shield, protect | expose, endanger |
| 202 | Shorten | To make less long | reduce, trim | lengthen, extend |
| 203 | Shrink | To become smaller | contract, diminish | expand, grow |
| 204 | Silent | Making no sound | quiet, soundless | noisy, loud |
| 205 | Similar | Almost the same | alike, comparable | different, dissimilar |
| 206 | Simple | Easy to understand or do | easy, straightforward | difficult, complicated |
| 207 | Sincere | Honestly meaning what you say | genuine, heartfelt | insincere, false |
| 208 | Slender | Thin and narrow | slim, slight | thick, broad |
| 209 | Smooth | Having an even surface | even, level | rough, bumpy |
| 210 | Solemn | Very serious in manner | serious, grave | cheerful, playful |
| 211 | Special | Different from what is ordinary | exceptional, distinctive | ordinary, common |
| 212 | Stable | Firm and unlikely to move or fall | steady, secure | unstable, shaky |
| 213 | Stale | No longer fresh, especially food | old, dry | fresh, newly made |
| 214 | Steady | Firm and not shaking | stable, fixed | shaky, unsteady |
| 215 | Strange | Different from what is familiar | unusual, odd | familiar, ordinary |
| 216 | Strengthen | To make stronger | reinforce, fortify | weaken, undermine |
| 217 | Strict | Firm about following rules | stern, firm | lenient, permissive |
| 218 | Struggle | To try very hard against difficulty | strive, battle | surrender, yield |
| 219 | Succeed | To achieve what you intended | achieve, triumph | fail, falter |
| 220 | Sudden | Happening quickly and unexpectedly | abrupt, unexpected | gradual, expected |
| 221 | Support | To help or back someone | assist, encourage | oppose, hinder |
| 222 | Tender | Gentle and caring | gentle, affectionate | harsh, unkind |
| 223 | Thankful | Feeling pleased and grateful | grateful, appreciative | ungrateful, unappreciative |
| 224 | Thick | Having a large distance between opposite sides | broad, chunky | thin, slender |
| 225 | Thoughtful | Showing care for other people's feelings | considerate, caring | thoughtless, inconsiderate |
| 226 | Thrifty | Careful not to waste money or resources | economical, frugal | wasteful, extravagant |
| 227 | Timely | Happening at a useful or suitable time | well-timed, opportune | untimely, ill-timed |
| 228 | Timid | Easily frightened or lacking confidence | shy, fearful | bold, confident |
| 229 | Together | With one another or in one group | jointly, collectively | apart, separately |
| 230 | Transparent | Clear enough to see through | clear, see-through | opaque, cloudy |
| 231 | Triumph | A great success or victory | victory, success | defeat, failure |
| 232 | Truthful | Saying what is true | honest, sincere | dishonest, untruthful |
| 233 | Unable | Not having the ability to do something | incapable, powerless | able, capable |
| 234 | Uncertain | Not sure about something | unsure, doubtful | certain, confident |
| 235 | Uncommon | Not often found or seen | rare, unusual | common, ordinary |
| 236 | Uncover | To remove a cover or reveal something | expose, reveal | cover, conceal |
| 237 | Unequal | Not the same in amount or size | uneven, different | equal, identical |
| 238 | Unfair | Not treating people equally or properly | unjust, biased | fair, impartial |
| 239 | Unique | Being the only one of its kind | one-of-a-kind, unmatched | common, commonplace |
| 240 | Unite | To bring together | join, combine | divide, separate |
| 241 | Unknown | Not known or recognised | unfamiliar, unrecognised | known, familiar |
| 242 | Untidy | Not neat or well arranged | messy, disorderly | tidy, orderly |
| 243 | Unusual | Different from what normally happens | uncommon, odd | usual, ordinary |
| 244 | Useful | Helping to achieve something | helpful, practical | useless, unhelpful |
| 245 | Vacant | Empty and not being used | empty, unoccupied | occupied, filled |
| 246 | Valuable | Worth a great deal | precious, costly | worthless, valueless |
| 247 | Vanish | To disappear from sight | disappear, fade | appear, emerge |
| 248 | Victory | Success in a contest or battle | triumph, win | defeat, loss |
| 249 | Violent | Using force to hurt or damage | fierce, brutal | gentle, peaceful |
| 250 | Visible | Able to be seen | observable, noticeable | invisible, hidden |
| 251 | Wealthy | Having a great deal of money | rich, prosperous | poor, penniless |
| 252 | Welcome | To greet someone gladly | greet, receive | reject, exclude |
| 253 | Wicked | Deliberately doing what is wrong | evil, immoral | good, virtuous |
| 254 | Willing | Ready and happy to do something | ready, agreeable | unwilling, reluctant |
| 255 | Wisdom | The ability to make good decisions | insight, good sense | foolishness, folly |
| 256 | Withdraw | To move back or away | retreat, leave | advance, approach |
| 257 | Wonderful | Extremely good or pleasing | excellent, splendid | awful, terrible |
| 258 | Worthy | Deserving respect or recognition | deserving, admirable | unworthy, undeserving |
| 259 | Youthful | Looking or behaving like a young person | young, young-looking | aged, elderly |
| 260 | Zealous | Showing great enthusiasm and effort | enthusiastic, eager | apathetic, indifferent |
Grade 5 & Grade 6 . IEO practice
An alphabetical study list for upper-primary learners, with clear meanings, two synonyms and two antonyms for every word. All vocabulary headwords contain at least five letters.
This is a curated practice list, not an official prescribed word list. Synonyms and antonyms are included in the SOF IEO syllabus. The word pairs match the meaning given; their suitability can change with context.
| No. | Word | Meaning | 2 synonyms | 2 antonyms |
|---|---|---|---|---|
| 1 | Abbreviate | To make a word or piece of writing shorter | shorten, condense | lengthen, expand |
| 2 | Abnormal | Different from what is usual or expected | unusual, irregular | normal, typical |
| 3 | Abolish | To officially put an end to a rule or practice | end, eliminate | establish, introduce |
| 4 | Abrupt | Happening suddenly without warning | sudden, unexpected | gradual, anticipated |
| 5 | Absorb | To take in liquid or another substance | soak up, take in | release, discharge |
| 6 | Abstract | Existing as an idea rather than a physical thing | conceptual, theoretical | concrete, physical |
| 7 | Absurd | Extremely unreasonable or silly | ridiculous, foolish | reasonable, sensible |
| 8 | Accelerate | To make something move or happen faster | quicken, hasten | slow, delay |
| 9 | Accessible | Easy to reach or enter | reachable, approachable | inaccessible, unreachable |
| 10 | Accomplish | To successfully finish something | achieve, complete | fail at, abandon |
| 11 | Accumulate | To gather more of something over time | collect, amass | disperse, scatter |
| 12 | Adaptable | Able to change to suit new conditions | flexible, adjustable | inflexible, rigid |
| 13 | Adequate | Enough for a particular purpose | sufficient, satisfactory | insufficient, inadequate |
| 14 | Adjacent | Next to or very close to something | neighbouring, adjoining | distant, remote |
| 15 | Admirable | Deserving respect or approval | praiseworthy, commendable | shameful, disgraceful |
| 16 | Adversity | A difficult or unlucky situation | hardship, misfortune | prosperity, good fortune |
| 17 | Affection | A feeling of fondness for someone | fondness, love | hatred, dislike |
| 18 | Affluent | Having plenty of money | wealthy, prosperous | poor, needy |
| 19 | Aggravate | To make a problem worse | worsen, intensify | ease, relieve |
| 20 | Agile | Able to move quickly and easily | nimble, swift | clumsy, sluggish |
| 21 | Agony | Extreme pain or suffering | anguish, torment | comfort, pleasure |
| 22 | Alert | Watchful and ready to notice danger | attentive, vigilant | inattentive, unaware |
| 23 | Alleviate | To make pain or difficulty less severe | ease, relieve | worsen, aggravate |
| 24 | Ambiguous | Having more than one possible meaning | unclear, vague | clear, definite |
| 25 | Ambitious | Strongly wanting to achieve success | aspiring, determined | unambitious, aimless |
| 26 | Ample | More than enough for a purpose | plentiful, abundant | scanty, insufficient |
| 27 | Amusing | Causing laughter or enjoyment | funny, entertaining | boring, unamusing |
| 28 | Anonymous | Having a name that is not known or given | unnamed, unidentified | named, identified |
| 29 | Apparent | Easy to see or understand | evident, obvious | hidden, unclear |
| 30 | Arrogant | Acting as though you are better than others | conceited, haughty | humble, modest |
| 31 | Artificial | Made by people rather than nature | synthetic, manufactured | natural, genuine |
| 32 | Assertive | Expressing your views firmly and confidently | confident, self-assured | timid, submissive |
| 33 | Authentic | Real and not an imitation | genuine, original | fake, counterfeit |
| 34 | Awkward | Moving in a way that is not smooth or skilful | clumsy, ungainly | graceful, coordinated |
| 35 | Barren | Unable to produce plants or crops | infertile, unproductive | fertile, productive |
| 36 | Bashful | Shy around other people | timid, reserved | confident, outgoing |
| 37 | Beneficial | Producing a helpful or useful effect | helpful, advantageous | harmful, damaging |
| 38 | Benevolent | Kind and wanting to help others | kind-hearted, charitable | malevolent, cruel |
| 39 | Bewildered | Very confused and unable to understand | puzzled, perplexed | clearheaded, enlightened |
| 40 | Bleak | Offering little hope for the future | gloomy, dismal | hopeful, promising |
| 41 | Boisterous | Noisy and full of lively energy | rowdy, exuberant | quiet, restrained |
| 42 | Brilliant | Exceptionally clever or talented | gifted, outstanding | unskilful, mediocre |
| 43 | Brisk | Quick and energetic | lively, swift | slow, sluggish |
| 44 | Brittle | Hard but easily broken | fragile, breakable | tough, resilient |
| 45 | Brutal | Extremely cruel or violent | savage, ruthless | gentle, humane |
| 46 | Candid | Honest and direct when speaking | frank, straightforward | evasive, dishonest |
| 47 | Captivate | To hold someone's attention completely | fascinate, enthral | bore, repel |
| 48 | Ceaseless | Continuing without stopping | constant, unending | intermittent, occasional |
| 49 | Censure | To strongly express disapproval | criticise, condemn | praise, commend |
| 50 | Chaotic | Completely lacking order | disorderly, confused | orderly, organised |
| 51 | Coherent | Clear, logical, and easy to understand | logical, consistent | confused, incoherent |
| 52 | Collaborate | To work together towards a goal | cooperate, team up | compete, work alone |
| 53 | Compassionate | Showing care for someone who is suffering | sympathetic, caring | heartless, unfeeling |
| 54 | Competent | Having enough skill to do something well | capable, proficient | incapable, incompetent |
| 55 | Complacent | Too satisfied to notice possible problems | self-satisfied, smug | concerned, vigilant |
| 56 | Conceited | Too proud of your own abilities or appearance | vain, arrogant | humble, modest |
| 57 | Concise | Giving information clearly in few words | brief, compact | wordy, lengthy |
| 58 | Condemn | To strongly say that something is wrong | denounce, censure | praise, approve |
| 59 | Confidential | Intended to be kept secret | private, secret | public, unrestricted |
| 60 | Conform | To follow rules or accepted behaviour | comply, obey | rebel, disobey |
| 61 | Confront | To face a problem or person directly | face, challenge | avoid, evade |
| 62 | Consent | To give permission or agreement | agree, assent | refuse, dissent |
| 63 | Conserve | To protect something from waste or loss | preserve, save | waste, squander |
| 64 | Considerate | Careful about other people's needs and feelings | thoughtful, caring | thoughtless, inconsiderate |
| 65 | Consistent | Staying the same in behaviour or quality | steady, uniform | changeable, inconsistent |
| 66 | Conspicuous | Easy to notice because it stands out | noticeable, prominent | hidden, inconspicuous |
| 67 | Contaminate | To make something dirty or unsafe | pollute, taint | purify, cleanse |
| 68 | Contented | Happy with what you have | satisfied, pleased | dissatisfied, discontented |
| 69 | Contradict | To say that a statement is wrong | deny, dispute | confirm, support |
| 70 | Conventional | Following usual or accepted ways | traditional, customary | unconventional, unusual |
| 71 | Cooperate | To work helpfully with others | collaborate, assist | oppose, obstruct |
| 72 | Courageous | Willing to face fear or danger | brave, valiant | cowardly, fearful |
| 73 | Courteous | Showing politeness and respect | polite, respectful | rude, discourteous |
| 74 | Credible | Able to be believed | believable, convincing | unbelievable, implausible |
| 75 | Crucial | Extremely important to a result | vital, essential | unimportant, trivial |
| 76 | Cunning | Clever at achieving aims through tricks | crafty, sly | guileless, straightforward |
| 77 | Daunting | Making something seem difficult or frightening | intimidating, discouraging | encouraging, reassuring |
| 78 | Deceitful | Deliberately misleading other people | dishonest, deceptive | honest, truthful |
| 79 | Decisive | Able to make decisions firmly and quickly | resolute, determined | hesitant, indecisive |
| 80 | Defiant | Openly refusing to obey | rebellious, disobedient | obedient, compliant |
| 81 | Deficient | Lacking enough of something needed | insufficient, inadequate | sufficient, adequate |
| 82 | Deliberate | Done on purpose after thought | intentional, planned | accidental, unintentional |
| 83 | Demolish | To completely knock down a structure | destroy, dismantle | build, construct |
| 84 | Dense | Having parts packed closely together | compact, crowded | sparse, scattered |
| 85 | Deplete | To greatly reduce an available supply | exhaust, drain | replenish, restore |
| 86 | Desolate | Empty of people and lacking life | deserted, abandoned | populated, bustling |
| 87 | Despise | To strongly dislike and look down on | loathe, scorn | admire, respect |
| 88 | Deteriorate | To become worse in condition | decline, worsen | improve, recover |
| 89 | Detest | To dislike something very strongly | loathe, abhor | love, adore |
| 90 | Devoted | Very loyal and loving | dedicated, faithful | disloyal, indifferent |
| 91 | Dignified | Calm and worthy of respect | noble, stately | undignified, shameful |
| 92 | Diminish | To become smaller or less important | decrease, dwindle | increase, grow |
| 93 | Disastrous | Causing great harm or failure | catastrophic, devastating | beneficial, successful |
| 94 | Disclose | To make secret information known | reveal, divulge | conceal, withhold |
| 95 | Discord | A lack of agreement between people | conflict, disagreement | harmony, agreement |
| 96 | Discourage | To reduce someone's hope or confidence | deter, dishearten | encourage, inspire |
| 97 | Discreet | Careful to avoid revealing private information | tactful, circumspect | indiscreet, careless |
| 98 | Disdain | A feeling that someone deserves no respect | contempt, scorn | respect, admiration |
| 99 | Dismiss | To send someone away from a job | fire, discharge | hire, employ |
| 100 | Disperse | To spread out in different directions | scatter, distribute | gather, assemble |
| 101 | Dispute | To question whether something is true | challenge, contest | accept, agree with |
| 102 | Distinct | Clearly different from something else | separate, different | similar, indistinguishable |
| 103 | Docile | Quiet and easy to control | obedient, tame | unruly, defiant |
| 104 | Dormant | Inactive but able to become active again | sleeping, inactive | active, awake |
| 105 | Dubious | Unsure whether something is true or right | doubtful, sceptical | certain, convinced |
| 106 | Durable | Able to last a long time without damage | sturdy, long-lasting | fragile, perishable |
| 107 | Dynamic | Full of energy and new ideas | energetic, vigorous | sluggish, inactive |
| 108 | Earnest | Serious and sincere about something | sincere, wholehearted | insincere, frivolous |
| 109 | Economical | Using money or resources carefully | thrifty, frugal | wasteful, extravagant |
| 110 | Elaborate | Having many carefully arranged details | detailed, intricate | plain, simple |
| 111 | Elated | Extremely happy and excited | overjoyed, delighted | dejected, miserable |
| 112 | Elegant | Graceful and attractive in appearance | stylish, refined | awkward, inelegant |
| 113 | Elevate | To raise something to a higher position | lift, raise | lower, drop |
| 114 | Eloquent | Able to express ideas clearly and effectively | articulate, expressive | inarticulate, tongue-tied |
| 115 | Elusive | Difficult to find, catch, or understand | evasive, slippery | accessible, obtainable |
| 116 | Emerge | To come into view | appear, surface | disappear, vanish |
| 117 | Emphasise | To give special attention or importance to | stress, highlight | downplay, understate |
| 118 | Enhance | To make something better or stronger | improve, enrich | diminish, impair |
| 119 | Enthusiastic | Showing great interest and excitement | eager, keen | indifferent, apathetic |
| 120 | Entire | Including every part | whole, complete | partial, incomplete |
| 121 | Evident | Clearly seen or understood | obvious, apparent | unclear, concealed |
| 122 | Exceptional | Much better than usual | outstanding, remarkable | ordinary, mediocre |
| 123 | Exclude | To leave someone or something out | omit, bar | include, admit |
| 124 | Exhausted | Extremely tired | weary, drained | refreshed, energised |
| 125 | Explicit | Stated clearly and directly | clear, definite | vague, implicit |
| 126 | Extravagant | Spending more money than is necessary | wasteful, lavish | thrifty, economical |
| 127 | Falter | To lose strength or confidence | waver, hesitate | persist, persevere |
| 128 | Famine | A severe shortage of food | starvation, scarcity | abundance, plenty |
| 129 | Feasible | Possible and practical to do | workable, achievable | impossible, impractical |
| 130 | Ferocious | Extremely fierce or violent | savage, fierce | gentle, tame |
| 131 | Fickle | Changing opinions or loyalties often | changeable, inconsistent | loyal, steadfast |
| 132 | Flawless | Without any mistakes or faults | perfect, faultless | faulty, imperfect |
| 133 | Flourish | To grow or develop successfully | thrive, prosper | wither, decline |
| 134 | Forbid | To order that something must not be done | prohibit, ban | allow, permit |
| 135 | Fortify | To make stronger or better protected | strengthen, reinforce | weaken, undermine |
| 136 | Frantic | Extremely worried and hurried | panicked, agitated | calm, composed |
| 137 | Frivolous | Not serious or deserving much attention | trivial, silly | serious, important |
| 138 | Frugal | Careful not to waste money | thrifty, economical | wasteful, extravagant |
| 139 | Genuine | Real and not false or copied | authentic, true | fake, counterfeit |
| 140 | Gracious | Kind and polite towards others | courteous, considerate | rude, unkind |
| 141 | Gradual | Happening slowly in small stages | progressive, step-by-step | sudden, abrupt |
| 142 | Gratitude | A feeling of being thankful | thankfulness, appreciation | ingratitude, unthankfulness |
| 143 | Gullible | Too ready to believe what others say | credulous, unsuspecting | sceptical, suspicious |
| 144 | Haphazard | Done without a clear plan or order | random, disorganised | systematic, orderly |
| 145 | Harmony | Peaceful agreement between people | accord, unity | discord, conflict |
| 146 | Hazardous | Likely to cause danger or harm | dangerous, risky | safe, harmless |
| 147 | Hesitant | Slow to act because of uncertainty | uncertain, reluctant | decisive, confident |
| 148 | Hinder | To make progress more difficult | obstruct, hamper | help, assist |
| 149 | Hostile | Unfriendly and ready to oppose | unfriendly, antagonistic | friendly, welcoming |
| 150 | Humane | Showing kindness and concern for suffering | compassionate, merciful | cruel, inhumane |
| 151 | Humiliate | To make someone feel deeply ashamed | embarrass, degrade | honour, dignify |
| 152 | Identical | Exactly the same | matching, indistinguishable | different, dissimilar |
| 153 | Ignorant | Lacking knowledge about something | uninformed, unaware | knowledgeable, informed |
| 154 | Illegible | Impossible or very difficult to read | unreadable, indecipherable | legible, readable |
| 155 | Immaculate | Perfectly clean | spotless, pristine | dirty, filthy |
| 156 | Impartial | Treating everyone fairly without favouritism | fair, unbiased | biased, partial |
| 157 | Impeccable | Without faults or mistakes | flawless, faultless | faulty, imperfect |
| 158 | Impetuous | Acting quickly without enough thought | rash, impulsive | cautious, deliberate |
| 159 | Implausible | Difficult to believe | unlikely, unconvincing | plausible, believable |
| 160 | Impose | To force something to be accepted | enforce, inflict | remove, lift |
| 161 | Incentive | Something that encourages action | motivation, encouragement | deterrent, discouragement |
| 162 | Incessant | Continuing without a break | constant, unceasing | occasional, intermittent |
| 163 | Inclusive | Allowing everyone to take part | welcoming, all-embracing | exclusive, restrictive |
| 164 | Indifferent | Showing no interest or concern | unconcerned, apathetic | interested, concerned |
| 165 | Industrious | Working hard and regularly | diligent, hardworking | lazy, idle |
| 166 | Inevitable | Certain to happen and impossible to avoid | unavoidable, inescapable | avoidable, preventable |
| 167 | Ingenious | Showing clever and original thinking | inventive, resourceful | unimaginative, unoriginal |
| 168 | Innocuous | Not likely to cause harm or offence | harmless, inoffensive | harmful, offensive |
| 169 | Insignificant | Too small or unimportant to matter much | trivial, minor | important, significant |
| 170 | Insufficient | Not enough for what is needed | inadequate, deficient | sufficient, ample |
| 171 | Intentional | Done on purpose | deliberate, planned | accidental, unintended |
| 172 | Intricate | Having many small connected details | complex, elaborate | simple, uncomplicated |
| 173 | Invincible | Impossible to defeat | unbeatable, unconquerable | vulnerable, beatable |
| 174 | Irrational | Not based on sensible reasoning | unreasonable, illogical | reasonable, logical |
| 175 | Jovial | Cheerful and friendly | jolly, merry | gloomy, miserable |
| 176 | Judicious | Showing careful and sensible judgement | wise, prudent | unwise, rash |
| 177 | Justify | To show that something is reasonable or right | defend, vindicate | condemn, discredit |
| 178 | Lavish | Giving or spending very generously | extravagant, abundant | meagre, sparing |
| 179 | Lenient | Not strict when applying rules or punishments | tolerant, permissive | strict, severe |
| 180 | Lethargic | Lacking energy and enthusiasm | sluggish, listless | energetic, lively |
| 181 | Logical | Following clear and sensible reasoning | rational, reasonable | illogical, irrational |
| 182 | Luminous | Giving off or reflecting light | glowing, radiant | dark, dull |
| 183 | Magnify | To make something appear larger | enlarge, amplify | reduce, diminish |
| 184 | Meagre | Too small in amount to be enough | scanty, insufficient | ample, abundant |
| 185 | Mediocre | Of only average or poor quality | ordinary, second-rate | excellent, outstanding |
| 186 | Melancholy | A quiet feeling of sadness | sorrow, gloom | joy, cheerfulness |
| 187 | Methodical | Working in a careful and organised way | systematic, orderly | haphazard, disorganised |
| 188 | Meticulous | Paying great attention to every detail | thorough, painstaking | careless, negligent |
| 189 | Miserly | Unwilling to spend or share money | stingy, mean | generous, charitable |
| 190 | Moderate | Neither too great nor too small | reasonable, restrained | extreme, excessive |
| 191 | Monotonous | Dull because it does not change | repetitive, tedious | varied, interesting |
| 192 | Neglect | To fail to give proper care or attention | disregard, overlook | tend, attend to |
| 193 | Nimble | Able to move quickly and lightly | agile, sprightly | clumsy, sluggish |
| 194 | Novice | Someone who is new to an activity | beginner, newcomer | expert, veteran |
| 195 | Obscure | Not easy to understand | unclear, puzzling | clear, obvious |
| 196 | Obsolete | No longer used because it is outdated | outdated, outmoded | current, modern |
| 197 | Obstinate | Refusing to change an opinion or behaviour | stubborn, headstrong | flexible, yielding |
| 198 | Opaque | Not allowing light to pass through | nontransparent, light-blocking | transparent, see-through |
| 199 | Optimistic | Expecting good things to happen | hopeful, positive | pessimistic, gloomy |
| 200 | Ornate | Covered with detailed decoration | elaborate, decorative | plain, simple |
| 201 | Pacify | To calm someone who is angry | soothe, appease | provoke, agitate |
| 202 | Perilous | Full of danger | hazardous, risky | safe, secure |
| 203 | Persevere | To keep trying despite difficulty | persist, continue | quit, surrender |
| 204 | Persistent | Continuing firmly despite problems | determined, tenacious | wavering, irresolute |
| 205 | Persuade | To convince someone to do something | convince, influence | dissuade, deter |
| 206 | Pessimistic | Expecting bad things to happen | negative, gloomy | optimistic, hopeful |
| 207 | Placid | Calm and not easily upset | tranquil, peaceful | agitated, excitable |
| 208 | Plausible | Seeming reasonable or believable | credible, convincing | implausible, unbelievable |
| 209 | Plentiful | Available in large amounts | abundant, ample | scarce, scanty |
| 210 | Precise | Exact and carefully correct | accurate, exact | vague, inaccurate |
| 211 | Preserve | To keep something safe or in good condition | protect, conserve | destroy, damage |
| 212 | Prohibit | To officially forbid something | ban, forbid | permit, authorise |
| 213 | Prosper | To do well and become successful | thrive, flourish | fail, decline |
| 214 | Prudent | Showing care and good judgement | wise, cautious | reckless, foolish |
| 215 | Reckless | Acting without caring about danger | rash, careless | cautious, prudent |
| 216 | Reconcile | To restore friendship after a disagreement | reunite, bring together | alienate, estrange |
| 217 | Refine | To remove unwanted substances from something | purify, cleanse | contaminate, pollute |
| 218 | Reluctant | Not willing or eager to do something | unwilling, hesitant | willing, eager |
| 219 | Resilient | Able to recover quickly after difficulty | tough, hardy | fragile, vulnerable |
| 220 | Resolute | Firmly determined to do something | steadfast, determined | hesitant, indecisive |
| 221 | Resourceful | Good at finding clever ways to solve problems | inventive, ingenious | helpless, unimaginative |
| 222 | Restrain | To hold back or keep under control | restrict, curb | release, free |
| 223 | Robust | Strong and healthy | sturdy, vigorous | weak, frail |
| 224 | Ruthless | Showing no pity for others | merciless, brutal | merciful, compassionate |
| 225 | Scarcity | A situation in which there is not enough | shortage, lack | abundance, plenty |
| 226 | Sceptical | Not easily convinced that something is true | doubtful, unconvinced | convinced, trusting |
| 227 | Scrutinise | To examine something very carefully | inspect, study | ignore, overlook |
| 228 | Serene | Calm and free from worry | peaceful, tranquil | anxious, troubled |
| 229 | Significant | Important enough to deserve attention | important, meaningful | trivial, insignificant |
| 230 | Sluggish | Moving or working very slowly | lethargic, slow | energetic, brisk |
| 231 | Sparse | Thinly spread or small in number | scanty, scattered | dense, plentiful |
| 232 | Spontaneous | Done naturally without planning | unplanned, impulsive | planned, rehearsed |
| 233 | Stagnant | Not developing or making progress | inactive, static | developing, progressing |
| 234 | Steadfast | Firm and reliable in belief or support | resolute, loyal | fickle, wavering |
| 235 | Substantial | Large in amount or importance | considerable, sizeable | slight, insignificant |
| 236 | Subtle | Not immediately obvious or noticeable | delicate, understated | obvious, blatant |
| 237 | Superficial | Considering only the surface rather than details | shallow, surface-level | thorough, profound |
| 238 | Surplus | An amount left over after needs are met | excess, remainder | shortage, deficit |
| 239 | Tedious | Boring because it is long or repetitive | monotonous, tiresome | interesting, engaging |
| 240 | Tenacious | Refusing to give up easily | persistent, determined | yielding, irresolute |
| 241 | Thorough | Careful and complete in every detail | comprehensive, meticulous | superficial, incomplete |
| 242 | Tolerant | Willing to accept different views or behaviour | open-minded, accepting | intolerant, prejudiced |
| 243 | Tranquil | Quiet and free from disturbance | peaceful, serene | disturbed, turbulent |
| 244 | Trivial | Having very little importance | minor, insignificant | important, substantial |
| 245 | Unanimous | Agreed upon by everyone involved | united, undivided | divided, split |
| 246 | Unbiased | Not unfairly favouring one side | impartial, fair | biased, prejudiced |
| 247 | Undermine | To gradually weaken something | weaken, sabotage | strengthen, support |
| 248 | Unify | To bring separate parts together | unite, combine | divide, separate |
| 249 | Urbane | Polite and confident in social situations | refined, polished | uncouth, rude |
| 250 | Vague | Not clearly explained or understood | unclear, imprecise | clear, specific |
| 251 | Valiant | Showing great courage | brave, heroic | cowardly, fearful |
| 252 | Versatile | Able to do many different things well | adaptable, all-round | limited, inflexible |
| 253 | Vigilant | Watching carefully for possible danger | alert, watchful | inattentive, careless |
| 254 | Vigorous | Full of strength and energy | energetic, robust | weak, feeble |
| 255 | Virtuous | Behaving according to strong moral principles | good, upright | wicked, immoral |
| 256 | Voluntary | Done by choice rather than by force | optional, willing | compulsory, forced |
| 257 | Vulnerable | Easily harmed or attacked | defenceless, exposed | protected, invulnerable |
| 258 | Wholesome | Good for health or well-being | healthy, beneficial | unhealthy, harmful |
| 259 | Wither | To dry up and lose strength | shrivel, fade | flourish, thrive |
| 260 | Yield | To give way to pressure or demands | surrender, submit | resist, oppose |
Grade 7 & Grade 8 . IEO practice
An alphabetical study list for Grade 7-8 learners, with clear meanings, two synonyms and two antonyms for every word. All vocabulary headwords contain at least five letters.
This is a curated practice list, not an official prescribed word list. Synonyms and antonyms are included in the SOF IEO syllabus. The word pairs match the meaning given; their suitability can change with context.
| No. | Word | Meaning | 2 synonyms | 2 antonyms |
|---|---|---|---|---|
| 1 | Abate | To become less strong or intense | subside, diminish | intensify, escalate |
| 2 | Abdicate | To give up a position of power or responsibility | relinquish, renounce | retain, assume |
| 3 | Aberrant | Departing from what is normal or expected | abnormal, atypical | normal, typical |
| 4 | Abhorrent | Causing strong disgust or hatred | detestable, repugnant | admirable, appealing |
| 5 | Abjure | To formally reject a belief or practice | renounce, reject | embrace, uphold |
| 6 | Abrasive | Rude and likely to annoy or upset others | harsh, offensive | gentle, courteous |
| 7 | Absolve | To free someone from blame | exonerate, acquit | blame, condemn |
| 8 | Abstruse | Difficult to understand | obscure, complicated | clear, straightforward |
| 9 | Accentuate | To make a feature more noticeable | emphasise, highlight | downplay, minimise |
| 10 | Acclaim | Public praise and approval | applause, commendation | criticism, condemnation |
| 11 | Acquiesce | To accept something without protest | consent, comply | resist, object |
| 12 | Acrimonious | Filled with anger and bitterness | hostile, rancorous | friendly, amicable |
| 13 | Adamant | Refusing to change an opinion or decision | unyielding, resolute | flexible, yielding |
| 14 | Adept | Highly skilled at doing something | proficient, accomplished | inept, unskilled |
| 15 | Adroit | Clever and skilful in handling situations | deft, dexterous | clumsy, inept |
| 16 | Adulation | Excessive praise or admiration | flattery, idolisation | criticism, scorn |
| 17 | Adversarial | Involving opposition or conflict | antagonistic, confrontational | cooperative, collaborative |
| 18 | Affable | Friendly and easy to talk to | amiable, approachable | aloof, unfriendly |
| 19 | Affirm | To state firmly that something is true | assert, confirm | deny, refute |
| 20 | Aggrieved | Feeling upset because of unfair treatment | resentful, wronged | satisfied, contented |
| 21 | Alacrity | Cheerful readiness to act | eagerness, willingness | reluctance, hesitation |
| 22 | Allay | To reduce fear or worry | ease, alleviate | heighten, aggravate |
| 23 | Altruistic | Concerned with helping others rather than yourself | selfless, charitable | selfish, self-serving |
| 24 | Ambivalent | Having mixed or conflicting feelings | undecided, conflicted | certain, decided |
| 25 | Ameliorate | To make a difficult situation better | improve, alleviate | worsen, aggravate |
| 26 | Amenable | Willing to cooperate or consider suggestions | receptive, cooperative | resistant, uncooperative |
| 27 | Amiable | Having a pleasant and friendly manner | affable, genial | hostile, unfriendly |
| 28 | Amicable | Friendly and free from disagreement | peaceable, harmonious | hostile, antagonistic |
| 29 | Animosity | Strong dislike or hostility | antagonism, hatred | goodwill, affection |
| 30 | Antagonise | To make someone angry or hostile | provoke, alienate | appease, placate |
| 31 | Antipathy | A strong feeling of dislike | aversion, hostility | affection, fondness |
| 32 | Apathy | A lack of interest or enthusiasm | indifference, unconcern | enthusiasm, concern |
| 33 | Appease | To calm someone by meeting their demands | placate, pacify | provoke, antagonise |
| 34 | Apprehensive | Worried about something that may happen | anxious, uneasy | confident, reassured |
| 35 | Arbitrary | Based on personal choice rather than a clear reason | random, capricious | reasoned, systematic |
| 36 | Arduous | Requiring great effort | strenuous, demanding | easy, effortless |
| 37 | Articulate | Able to express ideas clearly | eloquent, expressive | inarticulate, tongue-tied |
| 38 | Ascetic | Avoiding comfort and pleasure as a way of life | austere, self-denying | indulgent, pleasure-seeking |
| 39 | Assiduous | Working with great care and persistence | diligent, industrious | negligent, idle |
| 40 | Astute | Quick to understand situations and judge them well | perceptive, shrewd | naive, obtuse |
| 41 | Audacious | Willing to take bold risks | daring, fearless | timid, cautious |
| 42 | Augment | To increase the size or amount of something | enlarge, supplement | reduce, diminish |
| 43 | Auspicious | Suggesting a likely successful outcome | promising, favourable | unpromising, unfavourable |
| 44 | Austere | Plain and without decoration | stark, unadorned | ornate, lavish |
| 45 | Autonomous | Able to govern or act independently | independent, self-governing | dependent, subordinate |
| 46 | Avaricious | Having an excessive desire for wealth | greedy, acquisitive | generous, unselfish |
| 47 | Averse | Strongly opposed or unwilling | reluctant, opposed | willing, inclined |
| 48 | Belligerent | Hostile and ready to argue or fight | aggressive, combative | peaceful, conciliatory |
| 49 | Benign | Not harmful or threatening | harmless, innocuous | harmful, malignant |
| 50 | Blatant | Very obvious in an offensive way | flagrant, glaring | subtle, concealed |
| 51 | Bolster | To support or strengthen something | reinforce, fortify | weaken, undermine |
| 52 | Brevity | The use of few words | conciseness, succinctness | wordiness, verbosity |
| 53 | Burgeon | To grow or develop rapidly | flourish, expand | shrink, decline |
| 54 | Callous | Showing no concern for others' suffering | heartless, insensitive | compassionate, sympathetic |
| 55 | Candour | The quality of being open and honest | frankness, sincerity | deceit, evasiveness |
| 56 | Capricious | Changing suddenly and unpredictably | fickle, changeable | consistent, predictable |
| 57 | Castigate | To criticise or scold severely | reprimand, berate | praise, commend |
| 58 | Caustic | Using cruelly sarcastic language | scathing, biting | kind, complimentary |
| 59 | Cerebral | Relying mainly on thought and reasoning | intellectual, analytical | emotional, instinctive |
| 60 | Chastise | To scold someone severely | reprimand, rebuke | praise, applaud |
| 61 | Circumspect | Careful to consider risks before acting | cautious, prudent | reckless, rash |
| 62 | Cogent | Clear, logical, and convincing | persuasive, compelling | unconvincing, weak |
| 63 | Cohesive | Working together as a united whole | unified, integrated | fragmented, divided |
| 64 | Compliant | Willing to follow rules or requests | obedient, cooperative | defiant, resistant |
| 65 | Conciliatory | Intended to reduce anger or disagreement | appeasing, peace-making | provocative, antagonistic |
| 66 | Concur | To agree with an opinion or decision | agree, assent | disagree, dissent |
| 67 | Condone | To accept behaviour that is considered wrong | overlook, excuse | condemn, denounce |
| 68 | Conducive | Helping to bring about a result | favourable, helpful | obstructive, unfavourable |
| 69 | Conscientious | Careful to do duties thoroughly and correctly | diligent, scrupulous | negligent, careless |
| 70 | Consensus | General agreement within a group | accord, agreement | disagreement, dissent |
| 71 | Consolidate | To combine parts into a stronger whole | unify, integrate | divide, fragment |
| 72 | Conspicuous | Clearly visible or easily noticed | prominent, noticeable | inconspicuous, hidden |
| 73 | Constancy | The quality of remaining steady or faithful | steadfastness, stability | fickleness, variability |
| 74 | Constrain | To limit someone's actions or choices | restrict, restrain | liberate, free |
| 75 | Contemptuous | Showing that you consider someone worthless | scornful, disdainful | respectful, admiring |
| 76 | Contentious | Likely to cause arguments | controversial, debatable | uncontroversial, undisputed |
| 77 | Contrite | Deeply sorry for something wrong you have done | remorseful, repentant | unrepentant, remorseless |
| 78 | Converge | To move towards the same point | meet, unite | diverge, separate |
| 79 | Copious | Available or produced in large amounts | abundant, plentiful | scanty, sparse |
| 80 | Corroborate | To support a statement with further evidence | confirm, substantiate | contradict, disprove |
| 81 | Credulous | Too willing to believe things | gullible, trusting | sceptical, incredulous |
| 82 | Curtail | To reduce or cut something short | restrict, shorten | extend, expand |
| 83 | Debilitate | To make someone weak | weaken, enfeeble | strengthen, invigorate |
| 84 | Decorum | Behaviour that is polite and socially proper | propriety, dignity | impropriety, indecorum |
| 85 | Deference | Respect shown for another person's judgement | respect, regard | disrespect, contempt |
| 86 | Deleterious | Causing harm or damage | harmful, detrimental | beneficial, helpful |
| 87 | Demean | To lower someone's dignity or status | degrade, belittle | honour, dignify |
| 88 | Denounce | To publicly condemn something | condemn, censure | praise, endorse |
| 89 | Deplore | To strongly disapprove of something | lament, condemn | approve, applaud |
| 90 | Deride | To laugh at someone in a cruel way | mock, ridicule | praise, respect |
| 91 | Despondent | Having lost hope or confidence | dejected, disheartened | hopeful, encouraged |
| 92 | Destitute | Lacking money and basic necessities | impoverished, penniless | wealthy, affluent |
| 93 | Detached | Not emotionally involved in a situation | uninvolved, aloof | involved, engaged |
| 94 | Detrimental | Causing harm or disadvantage | damaging, harmful | beneficial, advantageous |
| 95 | Dexterous | Skilful with the hands | deft, adroit | clumsy, awkward |
| 96 | Diffident | Lacking confidence in yourself | timid, hesitant | confident, assertive |
| 97 | Discordant | Not in agreement or harmony | conflicting, clashing | harmonious, compatible |
| 98 | Discredit | To damage trust in a person or claim | disprove, undermine | validate, substantiate |
| 99 | Disdainful | Showing a lack of respect | scornful, contemptuous | respectful, appreciative |
| 100 | Disgruntled | Annoyed because expectations have not been met | dissatisfied, discontented | satisfied, contented |
| 101 | Disinterested | Fair because you have no personal advantage to gain | impartial, unbiased | biased, partial |
| 102 | Disparage | To speak about something as if it has little value | belittle, denigrate | praise, extol |
| 103 | Dispassionate | Not influenced by strong feelings | objective, impartial | emotional, biased |
| 104 | Dispel | To make a fear or belief disappear | banish, remove | create, reinforce |
| 105 | Disseminate | To spread information widely | circulate, distribute | suppress, withhold |
| 106 | Dissension | Disagreement that leads to conflict | discord, dispute | accord, agreement |
| 107 | Dissuade | To persuade someone not to do something | discourage, deter | persuade, encourage |
| 108 | Divergent | Developing in different directions | differing, separating | convergent, similar |
| 109 | Dogmatic | Insisting that your beliefs cannot be questioned | opinionated, rigid | open-minded, flexible |
| 110 | Eccentric | Unusual in behaviour or style | unconventional, quirky | conventional, ordinary |
| 111 | Eclectic | Drawing ideas from many different sources | varied, wide-ranging | uniform, narrow |
| 112 | Economise | To reduce spending or use fewer resources | save, conserve | squander, waste |
| 113 | Elucidate | To explain something clearly | clarify, illuminate | confuse, obscure |
| 114 | Emaciated | Extremely thin because of illness or hunger | gaunt, wasted | well-fed, plump |
| 115 | Embellish | To make something more decorative | adorn, ornament | strip, simplify |
| 116 | Empathy | The ability to understand another person's feelings | understanding, fellow feeling | indifference, insensitivity |
| 117 | Enervate | To drain someone of energy | weaken, exhaust | energise, invigorate |
| 118 | Engender | To cause a feeling or situation to develop | generate, produce | prevent, suppress |
| 119 | Enigmatic | Difficult to understand or explain | mysterious, puzzling | clear, straightforward |
| 120 | Ephemeral | Lasting for only a short time | fleeting, transient | lasting, enduring |
| 121 | Equanimity | Calmness during difficulty or stress | composure, poise | agitation, panic |
| 122 | Equitable | Fair and reasonable to everyone | just, impartial | unfair, biased |
| 123 | Eradicate | To completely get rid of something | eliminate, abolish | establish, preserve |
| 124 | Erratic | Not following a steady or predictable pattern | irregular, unpredictable | consistent, steady |
| 125 | Erudite | Having extensive knowledge from study | learned, scholarly | ignorant, uneducated |
| 126 | Evasive | Avoiding a clear or direct answer | elusive, indirect | frank, straightforward |
| 127 | Exacerbate | To make a problem more severe | aggravate, worsen | alleviate, ease |
| 128 | Exalt | To praise someone very highly | glorify, extol | degrade, belittle |
| 129 | Exemplary | So good that others should copy it | commendable, outstanding | deplorable, disgraceful |
| 130 | Exonerate | To officially clear someone of blame | absolve, acquit | convict, incriminate |
| 131 | Expedite | To make a process happen faster | accelerate, hasten | delay, hinder |
| 132 | Explicit | Expressed clearly and without ambiguity | clear, definite | vague, implicit |
| 133 | Extol | To praise enthusiastically | laud, acclaim | criticise, disparage |
| 134 | Exuberant | Full of cheerful energy | buoyant, lively | subdued, dejected |
| 135 | Fallacious | Based on mistaken reasoning | misleading, unsound | sound, valid |
| 136 | Fastidious | Very careful about small details and standards | meticulous, exacting | careless, undemanding |
| 137 | Fervent | Showing very strong feeling | passionate, ardent | apathetic, indifferent |
| 138 | Flippant | Not showing enough seriousness | frivolous, dismissive | serious, respectful |
| 139 | Fluctuate | To rise and fall or change repeatedly | vary, oscillate | stabilise, settle |
| 140 | Formidable | Causing fear or respect through great strength | daunting, intimidating | unimpressive, unthreatening |
| 141 | Fortitude | Courage during pain or adversity | resilience, endurance | cowardice, weakness |
| 142 | Fractious | Easily irritated and difficult to control | quarrelsome, unruly | agreeable, cooperative |
| 143 | Futile | Unable to produce a useful result | pointless, ineffective | useful, effective |
| 144 | Garrulous | Talking too much | talkative, loquacious | taciturn, reserved |
| 145 | Genial | Friendly and cheerful | affable, cordial | unfriendly, surly |
| 146 | Gregarious | Enjoying the company of others | sociable, outgoing | unsociable, withdrawn |
| 147 | Guileless | Honest and without a wish to deceive | innocent, candid | deceitful, cunning |
| 148 | Haughty | Acting as if others are beneath you | arrogant, disdainful | humble, modest |
| 149 | Heedless | Not paying attention to risk or advice | careless, inattentive | careful, mindful |
| 150 | Homogeneous | Made up of parts that are alike | uniform, consistent | varied, heterogeneous |
| 151 | Humility | A modest view of your own importance | modesty, unpretentiousness | arrogance, conceit |
| 152 | Imminent | About to happen very soon | impending, approaching | distant, remote |
| 153 | Immutable | Unable to change | unchangeable, fixed | changeable, variable |
| 154 | Impecunious | Having very little money | penniless, impoverished | wealthy, affluent |
| 155 | Impertinent | Rude or disrespectful | insolent, impudent | polite, respectful |
| 156 | Implacable | Impossible to calm or satisfy | unappeasable, relentless | appeasable, forgiving |
| 157 | Implicit | Suggested without being directly stated | implied, unstated | explicit, stated |
| 158 | Inadvertent | Happening without intention | accidental, unintended | deliberate, intentional |
| 159 | Incessant | Continuing without interruption | ceaseless, constant | intermittent, occasional |
| 160 | Incongruous | Not fitting the surrounding situation | inappropriate, mismatched | appropriate, fitting |
| 161 | Incredulous | Unable or unwilling to believe something | disbelieving, sceptical | credulous, convinced |
| 162 | Indolent | Avoiding activity or effort | lazy, idle | industrious, diligent |
| 163 | Inept | Lacking skill or ability | incompetent, unskilled | adept, competent |
| 164 | Inert | Not moving or acting | inactive, motionless | active, moving |
| 165 | Ingenuous | Honest and innocent rather than calculating | guileless, candid | deceitful, crafty |
| 166 | Inhibit | To hold back an action or process | restrain, impede | encourage, promote |
| 167 | Insipid | Lacking interest or excitement | dull, bland | stimulating, interesting |
| 168 | Intransigent | Refusing to compromise | unyielding, inflexible | flexible, accommodating |
| 169 | Intrepid | Fearless when facing difficulty or danger | dauntless, courageous | timid, fearful |
| 170 | Intrinsic | Belonging naturally to something | inherent, essential | extrinsic, external |
| 171 | Irrefutable | Impossible to prove wrong | indisputable, undeniable | debatable, questionable |
| 172 | Jubilant | Showing great joy after success | elated, triumphant | dejected, sorrowful |
| 173 | Judicious | Showing wise and careful judgement | prudent, discerning | rash, unwise |
| 174 | Laconic | Using very few words | terse, concise | verbose, wordy |
| 175 | Languid | Lacking energy or moving slowly | listless, sluggish | energetic, vigorous |
| 176 | Laudable | Deserving praise | commendable, praiseworthy | deplorable, blameworthy |
| 177 | Lethargy | A lack of energy or alertness | sluggishness, torpor | vigour, alertness |
| 178 | Lucid | Clear and easy to understand | intelligible, coherent | confusing, obscure |
| 179 | Magnanimous | Generous and forgiving towards others | noble, big-hearted | petty, vindictive |
| 180 | Malevolent | Wishing to harm others | malicious, spiteful | benevolent, kind-hearted |
| 181 | Malleable | Easily shaped or influenced | pliable, adaptable | rigid, inflexible |
| 182 | Meticulous | Extremely careful about details | painstaking, thorough | careless, slapdash |
| 183 | Mitigate | To make harm or suffering less severe | alleviate, lessen | aggravate, intensify |
| 184 | Morose | Gloomy and unwilling to be cheerful | sullen, glum | cheerful, genial |
| 185 | Munificent | Extremely generous | lavish, bountiful | stingy, miserly |
| 186 | Myopic | Failing to consider future consequences | short-sighted, narrow-minded | far-sighted, prudent |
| 187 | Nebulous | Unclear or poorly defined | vague, hazy | clear, definite |
| 188 | Nonchalant | Appearing relaxed and unconcerned | casual, unruffled | anxious, agitated |
| 189 | Obdurate | Stubbornly refusing to change | unyielding, obstinate | flexible, yielding |
| 190 | Obfuscate | To make something difficult to understand | confuse, obscure | clarify, elucidate |
| 191 | Obsequious | Too eager to please or obey someone powerful | servile, fawning | assertive, independent |
| 192 | Obstinate | Refusing to change despite persuasion | stubborn, headstrong | compliant, yielding |
| 193 | Ominous | Suggesting that something bad may happen | threatening, foreboding | reassuring, promising |
| 194 | Opulent | Showing great wealth or luxury | lavish, luxurious | austere, modest |
| 195 | Ostentatious | Designed to attract attention and impress | showy, pretentious | modest, understated |
| 196 | Palpable | So clear or strong that it seems almost touchable | perceptible, obvious | imperceptible, undetectable |
| 197 | Parsimonious | Extremely unwilling to spend money | stingy, miserly | generous, extravagant |
| 198 | Perfunctory | Done with little care or interest | cursory, mechanical | thorough, attentive |
| 199 | Perpetual | Continuing without an end | eternal, unending | temporary, brief |
| 200 | Pervasive | Spreading through every part of something | widespread, prevalent | limited, localised |
| 201 | Petulant | Childishly annoyed or bad-tempered | peevish, irritable | good-natured, agreeable |
| 202 | Placate | To make someone less angry | appease, pacify | provoke, incense |
| 203 | Plausible | Seeming reasonable or likely to be true | credible, believable | implausible, unlikely |
| 204 | Poignant | Causing a deep feeling of sadness | moving, touching | unmoving, unaffecting |
| 205 | Pragmatic | Dealing with situations in a practical way | practical, realistic | impractical, unrealistic |
| 206 | Precarious | Unsafe or likely to fail | unstable, insecure | stable, secure |
| 207 | Preclude | To prevent something from happening | prohibit, rule out | allow, enable |
| 208 | Pretentious | Trying to seem more impressive than you are | affected, ostentatious | modest, unassuming |
| 209 | Prodigal | Spending resources recklessly | extravagant, wasteful | frugal, thrifty |
| 210 | Prolific | Producing a large amount of something | productive, fruitful | unproductive, barren |
| 211 | Propensity | A natural tendency to act in a certain way | inclination, tendency | aversion, disinclination |
| 212 | Provocative | Likely to cause anger or argument | inflammatory, inciting | soothing, conciliatory |
| 213 | Prudent | Careful and sensible about future risks | judicious, cautious | reckless, imprudent |
| 214 | Pugnacious | Eager to argue or fight | combative, belligerent | peaceable, conciliatory |
| 215 | Recalcitrant | Stubbornly refusing to obey | defiant, unmanageable | obedient, compliant |
| 216 | Reclusive | Preferring to live apart from others | solitary, withdrawn | sociable, outgoing |
| 217 | Redundant | Not needed because something already serves the purpose | unnecessary, superfluous | necessary, essential |
| 218 | Refute | To prove a statement wrong | disprove, rebut | prove, substantiate |
| 219 | Relinquish | To give up possession or control | surrender, release | retain, keep |
| 220 | Reprehensible | Deserving strong criticism | deplorable, blameworthy | admirable, commendable |
| 221 | Repudiate | To firmly reject an idea or claim | reject, disavow | accept, endorse |
| 222 | Resilient | Able to recover after difficulty | adaptable, tough | fragile, vulnerable |
| 223 | Reticent | Unwilling to share thoughts or feelings | reserved, uncommunicative | forthcoming, communicative |
| 224 | Revere | To feel deep respect for someone | venerate, honour | despise, scorn |
| 225 | Rigorous | Extremely careful and thorough | strict, exacting | lax, superficial |
| 226 | Sagacious | Showing deep wisdom and good judgement | wise, discerning | foolish, undiscerning |
| 227 | Sanguine | Confident that things will turn out well | optimistic, hopeful | pessimistic, despondent |
| 228 | Scrupulous | Careful to behave honestly and fairly | principled, conscientious | dishonest, unscrupulous |
| 229 | Serenity | A state of calm and peace | tranquillity, composure | agitation, turmoil |
| 230 | Sporadic | Happening irregularly and occasionally | intermittent, occasional | constant, regular |
| 231 | Stagnant | Not developing or progressing | static, inactive | dynamic, developing |
| 232 | Stoical | Enduring pain without showing distress | uncomplaining, impassive | complaining, emotional |
| 233 | Subservient | Too willing to obey or submit to others | servile, submissive | independent, assertive |
| 234 | Succinct | Expressed clearly in few words | concise, terse | wordy, verbose |
| 235 | Superfluous | More than is needed | unnecessary, redundant | necessary, essential |
| 236 | Taciturn | Usually saying very little | reserved, uncommunicative | talkative, garrulous |
| 237 | Tenacious | Holding firmly to a goal despite difficulty | persistent, determined | yielding, irresolute |
| 238 | Tentative | Not yet definite or certain | provisional, uncertain | definite, confirmed |
| 239 | Timorous | Easily frightened or lacking confidence | fearful, timid | bold, intrepid |
| 240 | Tractable | Easy to manage or influence | manageable, compliant | unruly, intractable |
| 241 | Transient | Lasting only a short time | temporary, fleeting | permanent, enduring |
| 242 | Truculent | Aggressive and eager to argue | belligerent, hostile | peaceful, agreeable |
| 243 | Turbulent | Full of disorder or disturbance | unsettled, tumultuous | calm, tranquil |
| 244 | Ubiquitous | Present or found almost everywhere | omnipresent, pervasive | rare, scarce |
| 245 | Unanimous | Agreed upon by every member of a group | united, undivided | divided, split |
| 246 | Unassuming | Not trying to attract attention or seem important | modest, humble | arrogant, pretentious |
| 247 | Unequivocal | Completely clear and leaving no doubt | unambiguous, definite | ambiguous, uncertain |
| 248 | Unflappable | Remaining calm even in a crisis | composed, imperturbable | excitable, flustered |
| 249 | Unprecedented | Never having happened before | novel, unparalleled | familiar, customary |
| 250 | Urbane | Polished and confident in social situations | sophisticated, courteous | uncouth, boorish |
| 251 | Vacillate | To keep changing between opinions or choices | waver, fluctuate | decide, resolve |
| 252 | Vehement | Showing intense feeling or force | forceful, passionate | mild, restrained |
| 253 | Verbose | Using more words than necessary | wordy, long-winded | concise, succinct |
| 254 | Vindicate | To show that someone was right or not to blame | justify, exonerate | incriminate, condemn |
| 255 | Vindictive | Wanting revenge for a wrong | vengeful, spiteful | forgiving, magnanimous |
| 256 | Virtuous | Behaving with strong moral principles | upright, ethical | wicked, immoral |
| 257 | Vivacious | Lively and full of energy | animated, spirited | listless, dull |
| 258 | Volatile | Likely to change suddenly and unpredictably | unstable, changeable | stable, predictable |
| 259 | Wistful | Feeling sadness and longing for something | yearning, melancholy | contented, satisfied |
| 260 | Zealous | Showing intense enthusiasm for a cause | ardent, fervent | apathetic, indifferent |
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