English antonyms and synonyms constitute one of the important sections in English for all the defence examinations. Below is a list of the 400 most important questions that you can expect from the Anto-Syno section for your upcoming NDA AFCAT CDS and other Defence examination, as per the last five years’ exam trends.
The most frequently asked questions and most important for the next NDA, CDS, AFCAT, and other defence exams were condensed into a list of 400 synonyms and antonyms. Additionally, you can study the terms from these questions, retain them in your memory, and use them to prepare for the English Synonyms and Antonyms segment of other defence competitive exams. In this article, we shall learn about the 400 most important words out of which most will come in your future examinations.
Word | Synonym | Antonym |
Abate | Moderate, decrease | Aggravate |
Adhere | Comply, observe | Condemn, disjoin |
Abolish | Abrogate, annul | Setup, establish |
Acumen | Awareness, brilliance | Stupidity, ignorance |
Abash | Disconcert, rattle | Uphold, Discompose |
Absolve | Pardon, forgive | Compel, Accuse |
Abjure | Forsake, renounce | Approve, Sanction |
Abject | Despicable, servile | Commendable, Praiseworthy |
Abound | Flourish, proliferate | Deficient, Destitute |
Abortive | Vain, unproductive | Productive |
Acrimony | Harshness, bitterness | Courtesy, Benevolence |
Accord | Agreement, harmony | Discord |
Adjunct | Joined, Added | Separated, Subtracted |
Adversity | Misfortune, calamity | Prosperity, Fortune |
Adherent | Follower, disciple | Rival, Adversary |
Adamant | Stubborn, inflexible | Flexible, Soft |
Admonish | Counsel, reprove | Approve, Applaud |
Allay | Pacify, soothe | Aggravate, Excite |
Alien | Foreigner, outsider | Native, Resident |
Ascend | Climb Escalate | Descend, Decline |
Alleviate | Abate, relieve | Aggravate, Enhance |
Allure | Entice, fascinate | Repulse, Repel |
Arraign | Incriminate, indict | Exculpate, Pardon |
Amplify | Augment, deepen | Lessen, Contract |
Axiom | Adage, truism | Absurdity, Blunder |
Audacity | Boldness, Courage | Mildness, Cowardice |
Authentic | Accurate, credible | Fictitious, unreal |
Awkward | Rude, blundering | Adroit, clever |
Barbarous | Frustrate, perplex | Civilized |
Bleak | Grim, Austere | Bright, Pleasant |
Bewitching | Alluring, charming | Repulsive, Repugnant |
Baroque | Florid, gilt | Plain, unadorned |
Brittle | Breakable, crisp | Tough, Enduring |
Barrier | Barricade, Obstacle | Link, Assistance |
Baffle | Astound, Faze | Facilitate, Clarify |
Bustle | Commotion, Tumult | Slowness, Quiet |
Barren | Desolate, Sterile | Damp, Fertile |
Bawdy | Erotic, Coarse | Decent, Moral |
Bind | Predicament | Release |
Batty | Insane, silly | Sane |
Benevolent | Benign, Generous | Malevolent, Miserly |
Befogged | Becloud, Dim | Clear headed, Uncloud |
Base | Vulgar, Coarse | Summit, Noble |
Benign | Favorable, friendly | Malignant, Cruel |
Busy | Active, Engaged | Idle, Lazy |
Bleak | Austere, Blank | Bright, Cheerful |
Bold | Adventurous | Timid |
Boisterous | Clamorous, rowdy | Placid, Calm |
Blunt | Dull, Insensitive | Keen, Sharp |
Callous | obdurate, unfeeling | Compassionate, Tender |
Capable | competent, able | Incompetent, Inept |
Calamity | adversity, misfortune | Fortune |
Calculating | Canny, Devious | Artless, honest |
Calumny | defamation, aspersion | Commendation, Praise |
Captivity | imprisonment, confinement | Freedom, Liberty |
Captivate | Charm, fascinate | Disillusion offend |
Chaste | virtuous, pure | Sullied, Lustful |
Cease | terminate, desist | Begin, Originate |
Compassion | kindness, sympathy | Cruelty, Barbarity |
Chastise | punish, admonish | Cheer, encourage |
Concede | yield, permit | Deny, reject |
Comprise | include, contain | Reject, lack |
Consent | agree, permit | Object Disagree |
Concur | approve, agree | Differ, disagree |
Consolidate | solidify, strengthen | Separate, Weaken |
Consequence | effect, outcome | Origin, Start |
Contempt | scorn, disregard | Regard, Praise |
Conspicuous | prominent, obvious | Concealed, hidden |
Contrary | dissimilar, conflicting | Similar, Alike |
Contradict | deny, oppose | Approve, Confirm |
Callous | Insensitive, indurated | Kind, merciful |
Calm | Harmonious, unruffled | Stormy, turbulent |
Candid | Blunt, bluff | Evasive |
Camouflage | Cloak, disguise | Reveal |
Carnal | Earthly, fleshly | Spiritual |
Captivate | Beguile, bewitch | Repel |
Celebrated | Acclaimed, lionized | Unknown, Inglorious |
Catholic | Generic, liberal | Narrow- minded |
Censure | Rebuke, reprimand | Praise, Acceptance |
Cement | Plaster, mortar | Disintegrate |
Clandestine | Covert, furtive | Open, Legal |
Cheap | Competitive, Inexpensive | Dear, unreasonable |
Coarse | Bawdy, Boorish | Fine, Chaste |
Classic | Simple, Typical | Romantic, Unusual |
Compact | Bunched, thick | Loose, Diffuse |
Comic | Clown, Jester | Tragic, tragedian |
Conceit | Egotism, Immodesty | Modesty |
Compress | Abbreviate, Shrink | Amplify, Expand |
Condemn | Castigate, Chide | Approve, Praise |
Concord | Agreement, accord | Discord |
Consolidate | Centralize, Fortify | Weaken |
Confident | Bold, Undaunted | Diffident, cowardly |
Creation | Formation, foundation | Destruction |
Courtesy | Generosity, Reverence | Disdain, Rudeness |
Cunning | Acute, Smart | Naive, Coarse |
Decipher | interpret, reveal | Misinterpret, distort |
Decay | Collapse, decompose | Flourish, Progress |
Deceit | deception, artifice | Veracity, Sincerity |
Defray | spend, pay | Disclaim, Repudiate |
Defile | contaminate, pollute | Purify, sanctity |
Demolish | Ruin, devastate | Repair, construct |
Deliberate | cautious, intentional | Rash, Sudden |
Deride | mock, taunt | Inspire, Encourage |
Deprive | despoil, divest | Restore, Renew |
Dissuade | Remonstrate, Counsel | Insite, Persuade |
Disdain | detest, despise | Approve, praise |
Dense | Opaque, piled | Sparse, brainy |
Denounce | Blame, boycott | Defend |
Despair | Depression, misery | Contentment, Hope |
Derogatory | Sarcastic, critical | Laudatory, appreciative |
Docile | Pliable, pliant | Headstrong, obstinate |
Destructive | Catastrophic, pernicious | Creative, Constructive |
Dwarf | Diminutive, Petite | Huge, Giant |
Eclipse | Diminution, Dimming | Shine, eclipse |
Eager | Keen, acquisitive | Indifferent, apathetic |
Ecstasy | delight, exultation | Despair, Calamity |
Eccentric | strange, abnormal | Natural, Conventional |
Encumbrance | hindrance, obstacle | Incentive, stimulant |
Efface | destroy, obliterate | Retain, Maintain |
Eloquence | expression, fluency | Halting, Stammering |
Enormous | colossal, mammoth | Diminutive, negligible |
Endeavour | undertake, aspire | Cease, quit |
Equivocal | uncertain, hazy | Obvious, lucid |
Epitome | precise, example | Increment, expansion |
Eradicate | destroy, exterminate | Secure, plant |
Fallacy | delusion, mistake | Veracity, Truth |
Fabricate | construct, produce | Destroy, Dismantle |
Fanatical | narrow-minded, biased | Liberal, Tolerant |
Falter | stumble, demur | Persist, Endure |
Ferocious | cruel, fierce | Gentle, Sympathetic |
Feeble | weak, frail | Strong, Robust |
Fluctuate | deflect, vacillate | Stabilize, resolve |
Feud | strife, quarrel | Harmony, fraternity |
Fragile | weak, infirm | Enduring, Tough |
Forsake | desert, renounce | Hold, maintain |
Frivolous | petty, worthless | Solemn, significant |
Frantic | violent, agitated | Subdued, gentle |
Frugality | economy, providence | Lavishness, extravagance |
Gloom | obscurity, darkness | Delight, mirth |
Gather | Converge, huddle | Disperse, Dissemble |
Gorgeous | magnificent, dazzling | Dull, unpretentious |
Glut | stuff, satiate | Starve, abstain |
Grisly | disgusting, atrocious | Pleasing, attractive |
Gracious | courteous, beneficent | Rude, Unforgiving |
Guile | cunning, deceit | Honesty, frankness |
Grudge | hatred, aversion | Benevolence, Affection |
Genuine | Absolute, Factual | Spurious |
Generosity | Altruism, bounty | Stinginess, greed |
Glory | Dignity, renown | Shame, Disgrace |
Gloomy | Bleak, cloudy | Gay, Bright |
Harass | irritate, molest | Assist, comfort |
Hamper | retard, prevent | Promote, facilitate |
Hazard | Peril, danger | Conviction, security |
Hapless | unfortunate, ill-fated | Fortunate, Lucky |
Haughty | arrogant, pompous | Humble, Submissive |
Hideous | frightful, shocking | Attractive, alluring |
Heretic | non-conformist, secularist | Conformable, religious |
Harmony | Conformity, Amicability | Discord, discord |
Hamstrung | Cripple Debilitate | Strengthen, Encourage |
Honor | Adoration, Reverence | Denunciation, Shame |
Hasty | Abrupt, Impetuous | Leisurely, Cautious |
Humility | Resignation, Fawning | Boldness, Pride |
Humble | Meek, Timid | Proud, Assertive |
Impenitent | Uncontrite, Obdurate | Repentant |
Hypocrisy | Deception, Pharisaism | Sincerity, frankness |
Indifferent | Equitable, Haughty | Partial, Biased |
Impulsive | Flaky, Impetuous | Cautious, Deliberate |
Infernal | Damned, Accursed | Heavenly, |
Indigent | Destitute, Impoverished | Rich, Affluent |
Interesting | Enchanting, Riveting | Dull, Uninteresting |
Insipid | Tedious, Prosaic | Pleasing, appetizing |
Immense | huge, enormous | Puny, Insignificant |
Immaculate | unsullied, spotless | Defiled, Tarnished |
Imminent | impending, brewing | Distant, Receding |
Immerse | submerge, involve | Emerge, uncover |
Impair | diminish, deteriorate | Restore, Revive |
Immunity | prerogative, privilege | Blame, Censure |
Impediment | hurdle, obstruction | Assistant, Concurrence |
Impartial | just, unbiased | Prejudiced, Biased |
Impute | attribute, ascribe | Exculpate, support |
Impious | irreligious, unholy | Pious, Devout |
Incompetent | inefficient, unskilled | Dexterous, Skilled |
Inclination | disposition, affection | Indifference, Disinclination |
Inevitable | unavoidable, ascertained | Unlikely, Doubtful |
Incongruous | inappropriate, absurd | Compatible, harmonious |
Ingenuous | undisguised, naive | Wily, Craftly |
Infringe | violate, encroach | Comply, Concur |
Insipid | tasteless, vapid | Delicious, luscious |
Insinuate | allude, hint | Conceal, Camouflage |
Instill | inculcate, inject | Eradicate, extract |
Insolvent | indigent, destitute | Wealthy, solvent |
Intrigue | scheme, conspiracy | Candor, Sincerity |
Intricate | tangled, complicated | Regulated, Orderly |
Invective | accusation, censure | Approval, acclamation |
Intrinsic | genuine, fundamental | Extraneous, incidental |
Immaculate | Exquisite, Impeccable | Defiled, Tarnished |
Invincible | unconquerable, impregnable | Effeminate, languid |
Irrepressible | irresistible, unconfined | Composed, hesitant |
Jejune | dull, boring | Interesting, exciting |
Jaded | tired, exhausted | Renewed, recreated |
Jubilant | rejoicing, triumphant | Melancholy, depressing |
Jovial | frolicsome, cheerful | Solemn, morose |
Just | honest, impartial | Unequal, unfair |
Judicious | thoughtful, prudent | Irrational, foolish |
Juvenile | young, tender | Dotage, antiquated |
Justify | defend, exculpate | Impute, arraign |
Knave | dishonest, scoundrel | Paragon, innocent |
Knotty | complicated difficult | Simple, manageable |
Kindred | relation, species | Unrelated, dissimilar |
Keen | sharp, poignant | Vapid, insipid |
Knell | death knell, last blow | Reconstruction, rediscovery |
Lax | slack, careless | Firm, reliable |
Lavish | abundant, excessive | Scarce, deficient |
Liable | accountable, bound | Unaccountable, apt to |
Lenient | compassionate, merciful | Cruel, severe |
Lucid | sound, rational | Obscure, hidden |
Lure | attract, entice | Repel, dissuade |
Linger | loiter, prolong | Hasten, quicken |
Liberal | magnanimous, generous | Stingy, malicious |
Lunacy | delusion, insanity | Normalcy, sanity |
Luxuriant | profuse, abundant | Scanty, meagre |
Luscious | palatable, delicious | Unsavory, tart |
Languid | Sluggish, apathetic | Energetic, spirited |
Mandatory | Imperative, requisite | Optional |
Malice | Vengefulness, grudge | Goodwill, Kindness |
Merit | Stature, Asset | Demerit, dishonor |
Masculine | Gallant, strapping | Feminine, meek |
Mitigate | alleviate, relieve | Augment enhance |
Miraculous | marvelous, extraordinary | Ordinary, trivial |
Molest | harass, tease | Console, soothe |
Modest | humble, courteous | Arrogant, pompous |
Momentous | notable, eventful | Trivial, insignificant |
Mollify | appease, assuage | Irritate, infuriate |
Morbid | Nasty, Macabre | Healthy, Cheerful |
Monotonous | irksome, tedious | Varied, pleasant |
Murky | dusky, dreary | Bright, shining |
Munificent | liberal, hospitable | Frugal, penurious |
Mutual | joint, identical | Separate, distinct |
Mutinous | recalcitrant, insurgent | Submissive, faithful |
Nimble | prompt, brisk | Sluggish, languid |
Niggardly | miser, covetous | Generous, profuse |
Noxious | baneful, injurious | Healing, profitable |
Notion | Conceit, Apprehension | Reality, Concrete |
Novice | tyro, beginner | Veteran, ingenious |
Nonchalant | indifferent, negligent | Attentive, considerate |
Nullify | cancel, annual | Confirm, Uphold |
Numerous | profuse, various | Scarce, deficient |
Obliging | Complaisant, Willing | Mulish, Obstinate |
Obstruct | impede, prevent | Hasten, encourage |
Obstinate | Stubborn, Adamant | Pliable, flexible |
Obscure | Arcane, Vague | Prominent |
Obvious | Evident, apparent | Obscure, ambiguous |
Obtain | Access, Inherit | Forfeit |
Offensive | Abhorrent, obnoxious | Engaging, fascinating |
Odious | Malevolent, obnoxious | Engaging, fascinating |
Offspring | descendant, sibling | Ancestor, forefather |
Occult | latent, ambiguous | Intelligible, transparent |
Opaque | obscure, shady | Transparent, bright |
Ominous | Menacing, Foreboding | Auspicious |
Oracular | cryptic, vague | Lucid, distinct |
Optimist | Idealist | Pessimist |
Ornamental | decorative, adorned | Unseemly, plain |
Ordain | Order, impose | Revoke abolish |
Outrage | offence, maltreatment | Praise, favour |
Outbreak | eruption, insurrection | Compliance, subjection |
Persuade | Cajole, Impress | Dissuade, halt |
Pacify | Appease, Chasten | Irritate, worsen |
Propagate | Inseminate, fecundate | Suppress, deplete |
Perturbed | Flustered, anxious | Calm |
Prompt | Precise, Punctual | Slow, Negligent |
Progress | Pace, Betterment | Retrogress, worsening |
Pamper | Flatter, indulge | Deny, disparage |
Prudence | Vigilance, Discretion | Indiscretion |
Peerless | matchless, unrivalled | Mediocre, commonplace |
Paramount | foremost, eminent | Trivial, inferior |
Pertness | flippancy, impudence | Modesty, diffidence |
Peevish | perverse, sullen | Suave, amiable |
Placid | tranquil, calm | Turbulent, hostile |
Perverse | petulant, obstinate | Complacent, docile |
Precarious | doubtful, insecure | Assured |
Pompous | haughty, arrogant | Unpretentious, humble |
Predicament | plight, dilemma | Resolution, confidence |
Quaint | Queer, strange | Familiar, usual |
Quack | Impostor, deceiver | Upright, unfeigned |
Quell | subdue, reduce | Exacerbate, agitate |
Quarantine | seclude, screen | Befriend, socialize |
Quibble | equivocate, prevaricate | Unfeigned, plain |
Rapidity | Quickness, Velocity | Inertia, lanquidity |
Raid | Incursion, Foray | Retreat, release |
Rebellious | Restless, attacking | Submissive, Compliant |
Reason | Acumen, Bounds | Folly, Speculation |
Reluctant | Cautious, Averse | anxious, Eager |
Rectify | Amend, Remedy | Falsify, Worsen |
Ravage | Destroy, ruin | Reconstruct, renovate |
Remnant | Residue, piece | Entire, whole |
Ratify | consent, approve | Deny, dissent |
Restrain | Detain, Confine | Incite |
Redeem | Recover, liberate | Conserve lose |
Remorse | Regret, penitence | Ruthlessness, obduracy |
Remonstrate | Censure, protest | Agree, loud |
Resentment | Displeasure, wrath | Content, Cheer |
Rescind | Annul, abrogate | Delegate, permit |
Reverence | Respect, esteem | Disrespect, affront |
Retract | Recant, withdraw | Confirm, assert |
Rustic | Rural, uncivilized | Cultured, Refined |
Rout | Vanquish, overthrow | Succumb, withdraw |
Ruthless | Remorseless, inhumane | Compassionate, lenient |
Savage | Wild, untamed | Polished, Civilized |
Sacred | Cherish, Divine | Ungodly, Profane |
Steep | Course, lofty | Flat, gradual |
Startled | Frightened, Shocked | Waveringly |
Sublime | Magnificent, eminent | Ridiculous |
Stranger | Immigrant, guest | Acquaintance, national |
Sympathy | Tenderness, harmony | Antipathy, Discord |
Succinct | Concise, Terse | Lengthy, polite |
Sarcastic | Ironical, derisive | Courteous, gracious |
System | Scheme, Entity | Chaos, Disorder |
Shrewd | Cunning, craftly | Simple, imbecile |
Saucy | Impudent, insolent | Modest, humble |
Servile | Slavish, Docile | Aggressive, Dominant |
Scanty | scarce, insufficient | Lavish, multitude |
Slander | defame, malign | Applaud, approve |
Shabby | miserable, impoverished | Prosperous, thriving |
Solicit | entreat, implore | Protest oppose |
Sneer | mock, scorn | Flatter, praise |
Stain | blemish, tarnish | Honor, purify |
Subterfuge | Deceit, Stratagem | Frankness, Openness |
Sporadic | intermittent, scattered | Incessant, frequent |
Spurious | Fake, Counterfeit | Genuine, Authentic |
Squalid | dirty, filthy | Tidy, Attractive |
Spry | Nimble, Brisk | Lethargic, Sluggish |
Sterile | Barren, Impotent | Profitable, Potent |
Successful | Propitious, Felicitous | Destitute, Untoward |
Subsequent | consequent, following | Preceding, previous |
Stupor | lethargy, unconsciousness | Sensibility, Consciousness |
Subvert | Demolish, sabotage | Generate, organize |
Substantial | Considerable, solid | Tenuous, fragile |
Sycophant | Parasite, flatterer | Devoted, loyal |
Superficial | Partial, shallow | Profound, discerning |
Taciturn | Reserved, silent | Talkative, extrovert |
Taboo | Prohibit, ban | Permit, consent |
Temperate | Cool, moderate | Boisterous, violent |
Tedious | Wearisome. Irksome | Exhilarating, lively |
Tenacious | Stubborn, Dodge | Docile, non- resinous |
Tenement | Apartment, Digs | Breakeven, dislodge |
Timid | Diffident, coward | Bold, intrepid |
Throng | Assembly, crowd | Dispersion, sparsity |
Transient | Temporal, transitory | Lasting, enduring |
Tranquil | Peaceful, composed | Violent, furious |
Treacherous | Dishonest, duplicitous | Forthright, reliable |
Trenchant | Assertive, forceful | Feeble, ambiguous |
Tumultuous | Violent, riotous | Peaceful, harmonious |
Trivial | Trifling, insignificant | Significant, veteran |
Tame | Compliant, Subdued | Wild, untamed |
Tyro | Beginner, riotous | Proficient, veteran |
Thick | Chunky, massive | Thin, attenuated |
Terse | Incisive, Compact | Diffuse, Gentle |
Tranquil | Amicable, Calm | Agitated, Fierce |
Thrifty | Frugal, prudent | Extravagant |
Tremble | Vibrate | Steady |
Transparent | Diaphanous | Opaque |
Utterly | Completely, entirely | Deficiently, incomplete |
Uncouth | Awkward, ungraceful | Elegant, Compensate |
Uncouth | Boorish, Clownish | Elegant, Compensate |
Umbrage | Chagrin, offense | Sympathy, goodwill |
Urge | Incite, Implore | Abhorrence, Abomination |
Urchin | Foundling, Orphan | Creep, Knave |
Vagrant | Wander, roaming | Steady, settled |
Vain | Arrogant, egoistic | Modest |
Vanity | Conceit, pretension | Modesty, Humility |
Valor | Bravery, prowess | Fear, cowardice |
Venom | Poison, malevolence | Antidote, Benevolent |
Venerable | Esteemed, honored | Unworthy, immature |
Vicious | Corrupt, obnoxious | Noble, Virtuous |
Veteran | Ingenious, experienced | Novice, tyro |
Vivacious | Spirited, Energetic | Dispirited, Unattractive |
Vigilant | Cautious, alert | Careless, negligent |
Vouch | Confirm, consent | Repudiate, prohibit |
Vilify | Malign, Slur, Defame | Cherish, Commend |
Vivid | Eloquent, lucid | Dull, Dim |
Virtue | Ethic, morality | Vice, dishonesty |
Wan | Pale, faded | Bright, healthy |
Waive | Relinquish, remove | Impose, Clamp |
Wary | cautious, circumspect | Heedless, negligent |
Wane | Decline, Dwindle | Ameliorate, Rise |
Wicked | vicious, immoral | Virtuous, Noble |
Wed | marry, combine | Divorce, Separate |
Wile | Trickery, Artifice | Naivety, honor |
Wield | Exert, employ | Forgo, avoid |
Wilt | wither, perish | Revive, bloom |
Winsome | Beautiful, Comely | Alluring, Rapturous |
Yield | surrender abdicate | Resist, protest |
Yell | shout, shriek | Whisper muted |
Yoke | connect, harness | Liberate, Release |
Yearn | languish, crave | Content, satisfy |
Zenith | summit, apex | Nadir, base |
Zeal | eagerness, fervor | Apathy, lethargy |
Zig -zag | oblique, wayward | Straight, unbent |
Zest | delight, enthusiasm | Disgust, passive |
Also Read: 500+ Most Commonly Asked Idioms & Phrases For NDA CDS AFCAT Exam
These were 400 antonyms and synonyms, in short, the most commonly asked questions that you can easily expect for your upcoming NDA, CDS, and AFCAT, and other defence exam. Not only that, but you can also follow these questions & learn the words & remember them for the other defence competitive exam preparation for the Anto-Syno section in English. Â
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