I
Idea.Concept, conception, impression, judgment, plan, opinion, purpose, conceit, design, fancy, pattern, thought, theory, belief, image, imagination, notion, supposition, ideal, apprehension, fantasy, model, sentiment, archetype; doctrine, understanding; fiction.
Ant.Object, form, subject; substance, fact, actuality, reality.
Ideal,n.Idea, archetype, original, model, standard, prototype.
Ant.Fact, performance, reality, practice, act, accomplishment, achievement, action, realization, attainment, development, doing, incarnation, embodiment, execution.
Ideal,a.Mental, conceptional, intellectual, notional, creative, spiritual, poetical, supposititious, unreal, fictitious, imaginary, fanciful, imaginative, chimerical.
Ant.Physical, material, visible, tangible, historical, substantial, real, actual, palpable.
Ideality.Imagination, conception, invention, fancy, creativeness, genius.
Ant.Imitation, uninventiveness, copyism, unimaginativeness; literality.
Identical.Same, selfsame, not different; particular.
Ant.Different, separate, contrary.
Identify.Prove identical, make identical, confound; unite, integrate, incorporate, recognize, verify.
Ant.Divide, disunite, confound, confuse, overlook, mistake.
Identity.Sameness, unity, oneness, union, personality, individuality, convertibility.
Ant.Difference, separateness, distinctness, contrariety, plurality.
Idiocy.Imbecility; foolishness, fatuity, irrationality; aberration,insanity; stupidity, folly, senselessness, incapacity.
Ant.Intelligence, sagacity, wisdom, capacity, brilliancy, astuteness, acuteness, sense, common sense, soundness; sanity, judgment.
Idiom.Specialty, phrase, turn, peculiarity, characteristic.
Ant.Barbarism, solecism.
Idiosyncrasy.Peculiarity, idiocrasy; constitution, temperament, specialty, characteristic, individuality, singularity, eccentricity.
Ant.Community, universality, generality.
Idiot.Fool, natural, imbecile.
Ant.Sage, authority, luminary.
Idle.Unbusied, unused, leisure; useless, ineffectual, fruitless, bootless, unavailing, vain, abortive, futile; trifling, trivial, unimportant, trashy, foolish, unprofitable; waste, empty; indolent, inert, lazy, slothful, unoccupied, vacant, inactive, sluggish, unemployed.
Ant.Active, busy, diligent, industrious, employed, working; occupied; tilled; filled, populated; assiduous.
Idolize.Deify; adore, worship, reverence, venerate.
Ant.Loathe, abominate, execrate, abhor.
Ignoble.Plebeian, vulgar, untitled, baseborn, low, mean, rustic, peasant; worthless, insignificant, contemptible; dishonorable, disgraceful, inferior, unworthy; humble.
Ant.Honorable, eminent, exalted, noble, lordly, illustrious, grand, notable.
Ignominious.Dishonorable, infamous, disgraceful, shameful, scandalous, disreputable, opprobrious; despicable, base, deserving ignominy, contemptible.
Ant.Honorable, creditable, reputable, estimable, worthy.
Ignominy.Dishonor, disgrace, discredit, shame, infamy, disrepute, contempt, obloquy, opprobrium, scandal, abasement, odium; reprobation, reproach.
Ant.Credit, honor, reputation, glory, luster, distinction, renown.
Ignoramus.Smatterer, novice, wiseacre, dunce, simpleton, dullard, greenhorn, numskull.
Ant.Savant, sage, luminary.
Ignorance.Illiteracy, stupidity, nescience, blindness, darkness.
Ant.Knowledge, wisdom, sense, learning, erudition.
Ignorant.Illiterate, unlearned, unlettered, unskilled, untaught, untutored, uneducated, ill-informed, uninstructed, uninformed.
Ant.Educated, learned, instructed, sage, wise, skilled, cultured, trained, well-informed, cultivated.
Ignore.Disregard, neglect, overlook, not recognize; set aside, reject; disown, repudiate.
Ant.Own, notice, recognize, mark, visit, avow, claim.
Ill,n.Wickedness, depravity, evil; misfortune, calamity, affliction, misery, harm, pain.
Ant.Good, blessing, fortune; righteousness, integrity, honor.
Ill,a.Bad, evil, unfortunate, unfavorable; wicked, wrong, iniquitous, naughty; sick, ailing, diseased, disordered, poorly, indisposed; cross, crabbed, surly, peevish, hateful, malicious; ill-favored, ugly.
Ant.Well, strong, good, vigorous, healthy, robust, hearty, hale.
Ill-bred.Impolite, uncivil, uncourteous, uncourtly, uncouth, unpolished, rude, ill-behaved, ill-mannered.
Ant.Polite, well-behaved, civil, refined, courteous.
Illuminate.Light, illumine, illume; enlighten, make wise, instruct, inspire; emblazon, irradiate.
Ant.Darken, obscure, bedim, mislead, delude.
Illusion.Delusion, hallucination, deception, error, fallacy, mockery, fantasy, phantasm, chimera; dream, vision, myth.
Ant.Body, substance, form, reality, actuality, essence.
Illusive.Delusive, deceptive, deceitful, fallacious; visionary, unreal, disappointing, fugitive, erroneous, false, imaginary, illusory, chimerical.
Ant.Substantial, real, true, satisfactory, solid, permanent.
Illustrate.Elucidate, explain, exemplify, make clear; interpret, demonstrate, represent, embody, paint, image; adorn with pictures.
Ant.Obscure, misinterpret, confuse, mystify, darken, misrepresent.
Illustrious.Glorious, splendid, brilliant, bright, radiant; famous, famed, noted, renowned, distinguished, celebrated, eminent, signal, remarkable, conspicuous; deathless, noble.
Ant.Ignominious, disgraceful, infamous, inglorious, disreputable.
Ill will.Malevolence, unkindness, malice, enmity, hatred, hate, rancor, envy, grudge, uncharitableness, ill nature; antipathy, dislike, aversion.
Ant.Good will, benevolence, beneficence.
Im-orIn-. This prefix, which is regularlyin-, and which becomesil-beforel,ir-beforer, andim-before a labial, meansin,into,on, oramong, or denotes the negativenot, or, occasionally, has a simple intensive meaning. Such words as begin with this prefix without modification of the combined meaning of the prefix and root word, will be easily derived from the antonyms and synonyms of the root words. Others of more derived meaning are found here.
Image.Statue; idol, object of worship; likeness, effigy, figure, resemblance, similitude, representation, picture; trope, metaphor; idea, copy, conception, fiction, shadow, vision.
Ant.Person, original, substance, subject, object, reality, truth, verity.
Imagery.Phantasm, phantom, vision, dream; tropes, figures of speech, poetry, fancy, illustration, metaphor, similitude.
Ant.Prose, statement, fact.
Imagination.Conception, invention, ideality, fancy, fantasy, creative power; esemplastic faculty; idea, notion; contrivance, scheme, device, plot; illusion.
Imaginative.Inventive, creative, plastic, poetical, esemplastic, poetic; conceptive, romantic, ideal, original.
Ant.Unimaginative, unpoetical, prosaic, unromantic, literal, uninventive, matter-of-fact.
Imagine.Conceive, think, image, fancy, picture; devise, contrive, frame, project, invent, create, mold; suppose, assume; deem, apprehend, believe; surmise,understand, fabricate, presume.
Ant.Represent, exhibit, depict, prove, demonstrate, verify, substantiate.
Imbecile,a.Weak, feeble, helpless, infirm, decrepit; foolish, witless, idiotic, driveling, fatuous.
Ant.Shrewd, clever, sagacious.
Imbecility.Weakness, debility, feebleness, infirmity, helplessness; foolishness, childishness, idiocy, fatuity, dotage, senility.
Ant.Strength, energy, virility, vigor, power.
Imbibe.Absorb, take in, suck in, swallow up; receive, gather, gain, acquire, get, pick up; assimilate, learn.
Ant.Discard, reject, renounce, disavow, abjure, repudiate.
Imitate.Copy, follow, pattern after; mimic, ape, mock, impersonate, take off; burlesque, travesty, parody; represent, resemble, portray, depict, repeat, counterfeit.
Ant.Misrepresent, caricature, alter, vary, distort, remodel, differentiate, dissimilate, modify.
Imitative.Imitating, copying, mimicking, aping, apish, caricaturing, unoriginal, servile.
Ant.Original, creative, inventive.
Immaculate.Spotless, unspotted, stainless, unsullied, unsoiled, untainted, unblemished, untarnished, clean, pure, undefiled; innocent, guiltless, sinless, faultless, fair, holy, saintly; virgin, unpolluted.
Ant.Impure, corrupt, sinful, contaminated, defiled, polluted, tainted, spotted.
Immanent.Intrinsic, inherent, internal, indwelling; empirical; innate, subjective, congenital, ingrained, natural, implicit.
Ant.Emanant, transitive, developed, projective, exsilient, phenomenal, explicit, accidental, transcendental, transeunt.
Immaterial.Incorporeal, unbodied, unfleshly, spiritual, supersensible; unimportant, insignificant, unessential, non-essential, trivial, trifling.
Ant.Material, physical, important, corporeal, essential.
Immature.Unripe, crude, raw, green, unformed, unprepared, imperfect, rudimentary, unfinished; premature, hasty, unseasonable, untimely; undeveloped.
Ant.Ripe, complete, developed, mature, finished.
Immeasurable.Illimitable, unbounded, boundless, limitless, measureless, immense, infinite; vast, unfathomable.
Ant.Finite, limited, circumscribed, restricted, shallow, bounded.
Immediate.Proximate, close, near, next; direct, unmediated; instantaneous, instant, present; contiguous.
Ant.Distant, remote, mediate, future.
Immediately.Presently, this instant, straightway, directly, forthwith, at once, now, right off, instantly, without delay.
Ant.Hereafter, by-and-by, after a while, sometime.
Immemorial.Olden, ancient, hoary, archaic, primitive, remote, time-honored, primordial.
Ant.Recent, modern, late, fresh, upstart.
Immerse.Dip, plunge, submerge, sink, douse, duck, bury;soak, steep, macerate, drown, inundate, overwhelm.
Ant.Dry, drain, parch, ventilate, air, ground, strand.
Immigration.Migration, colonization, settlement.
Ant.Exodus, emigration.
Imminent.Impending, hovering, threatening.
Ant.Improbable, doubtful, unexpected, unlikely, contingent, chimerical, problematical; warded, staved, escaped.
Immunity.Freedom, exemption, release, exoneration; prerogative, privilege, right, liberty, charter, franchise; dispensation.
Ant.Liability, obligation, jurisdiction, impost, amenability, burden.
Imp.Sprite, hobgoblin, demon, devil, flibbertigibbet, scamp, brat.
Ant.Cherub, angel.
Impact.Impulse, shock, impression, stroke; collision, contact, striking, impinging; application.
Ant.Isolation, separation, interval, removal, avoidance, non-contact, shave.
Impair.Deteriorate, vitiate, injure, harm, make worse; lessen, diminish, decrease; enervate, weaken, enfeeble; reduce, damage.
Ant.Enhance, improve, repair, augment, better, increase.
Impassioned.Passionate, vehement, impetuous, animated, exciting, glowing, intense, fervid, fervent, warm, ardent, zealous; spirited.
Ant.Cool, impassive, unimpassioned, apathetic, indifferent.
Impatience.Uneasiness, disquietude, restlessness; haste, vehemence, eagerness, precipitation, impetuosity; heat, violence of temper, irritability, irritableness.
Ant.Patience, calmness, endurance, composure, leniency, submission, forbearance, long-suffering.
Impediment.Bar, hindrance, obstacle, obstruction, difficulty, clog, encumbrance, stumbling-block, check.
Ant.Assistance, aid, benefit, help, relief, succor, advantage; aidance, support, furtherance.
Imperative.Commanding, authoritative, peremptory; binding, obligatory; urgent, irresistible, dictatorial, inexorable, compulsory.
Ant.Indulgent, lenient, supplicatory, mild, optional, discretional, entreative.
Imperial.Belonging to an empire, kingly, regal, sovereign, royal; majestic, grand, magnificent, exalted, great, noble, supreme, consummate, superb.
Ant.Ignoble, servile, slavish, beggarly, mean, paltry.
Imperious.Magisterial, dictatorial, despotic, domineering, tyrannical, overbearing, lordly, haughty, arrogant, authoritative, exacting.
Ant.Yielding, compliant, submissive, gentle, mild, docile, ductile.
Impetuous.Fierce, vehement, violent, furious, passionate, precipitate, hasty, headlong, over-zealous, reckless, rash, excitable.
Ant.Careful, slow, deliberate, thoughtful, reflective, leisurely.
Implement.Utensil, tool, appliance, instrument.
Ant.Labor, work, science, art, agriculture, manufacture.
Implicate.Entangle, enfold, involve, connect, associate, compromise, charge, incriminate.
Ant.Disconnect, extricate, acquit, dissociate.
Implication.Entanglement, involution; inference, conclusion; intricacy, complication; concealment, latency; allusion, insinuation, innuendo, adumbration.
Ant.Arrangement, system, orderliness; manifestation, expression, exposition, demonstration, production.
Implicit.Understood, implied, inferred, tacit; unreserved, unhesitating, firm, steadfast, unshaken, undoubting; involved.
Ant.Expressed, explicit, developed, stated, plain, specific, unambiguous.
Imply.Involve, import, include, signify, mean, indicate, suggest, hint, denote.
Ant.Express, declare, state, pronounce.
Import,n.Meaning, sense, purport, drift, signification, gist, spirit, bearing, tenor, intention.
Ant.Statement, proceeding.
Import,v.Bring into; purport, denote, imply, betoken, signify, mean; concern, be of significance to; introduce.
Ant.Export, banish, exile, send abroad.
Importance.Consequence, moment, weight, significance, momentousness, import, concern; avail; self-importance, pomposity.
Ant.Nothingness, insignificance, unimportance, immateriality.
Important.Grave, weighty, momentous, serious, material, significant; influential, prominent, pompous, self-important, consequential; expressive, leading, main, relevant, considerable, essential, great, dignified.
Ant.Insignificant, trivial, inconsiderable, irrelevant, secondary, petty, mean, uninfluential, minor, unimportant.
Importunate.Urgent, pertinacious, pressing, teasing, busy, solicitous, overurgent, overentreative.
Ant.Modest, diffident, self-reliant, self-respecting.
Importune.Urge, entreat, press, solicit, dun, beset, pester, tease, worry, trouble.
Ant.Surrender, sacrifice, abandon; grant, bestow.
Impose.Put, set, lay, place; appoint, enjoin, prescribe; obtrude, palm off, pass; inflict, subject.
Ant.Remove, disburden, unload, free; hold up, arrest, disclose.
Imposing.Stately, august, majestic, grand, noble, commanding, impressive; striking, effective, dignified.
Ant.Petty, undignified, unimposing, insignificant, paltry, puny.
Imposition.Imposing, putting, placing, laying; burden, levy, tax, constraint, oppression, injunction; deception, fraud, artifice, trickery, imposture, cheating; presumption, exaction, encroachment.
Ant.Sanction, warrant, authority; truth, verity, fact, certainty, verification, genuineness, authenticity, honesty.
Impost.Tax, duty, custom, excise, levy, toll, tribute, rate; imposition.
Ant.Revenue, proceeds, exemption, immunity.
Impostor.Deceiver, pretender, cheat, hypocrite, knave, charlatan,mountebank, rogue, Pharisee, trickster, dissembler.
Ant.Guide, enlightener, detector, undeceiver.
Imposture.Cheat, trick, deception, imposition, fraud, ruse, delusion, dodge, artifice, wile, deceit, stratagem, hoax.
Ant.Truth, fact, verity, reality.
Impotence.Disability, incapacity, incompetence, powerlessness, weakness, inefficiency, infirmity, frailty, imbecility, inability, incapability, helplessness, disqualification.
Ant.Capacity, vigor, qualification, ability.
Impoverish.Make poor or indigent, exhaust, deplete, rob, beggar, fleece, denude.
Ant.Enrich, aggrandize, augment, store, enhance, endow.
Impregnable.Invincible, unassailable, invulnerable, immovable, inexpugnable, secure, tenable, irrefragable.
Ant.Pregnable, weak, exposed, defenseless, expugnable.
Impregnate.Fecundate, imbue, infuse, tincture, saturate, fill, fertilize; mix, combine, insert, steep, vivify, teach.
Ant.Remove, evolve, extricate, separate, destroy, quench, extinguish, be studious, learn.
Impression.Printing, stamping, imprinting; stamp, impress, brand; mark; sensation, effect, influence; notion, idea, opinion, fancy.
Ant.Concept, apprehension, comprehension.
Impressive.Affecting, touching, moving, stirring, powerful, striking, overpowering; forcible, solemn, imposing, important.
Ant.Weak, feeble, vapid, tame, unimpressive, dry, insignificant.
Improve.Mend, gain, become better, get on, gain ground; increase, rise, be enhanced; better, amend, ameliorate, rectify; progress; avail one’s self of, use, make productive; correct, reform.
Ant.Debase, deteriorate, vitiate, spoil, mar, impair, injure, depress.
Improvement.Amending, bettering, amelioration, amendment, progress, efficiency, proficiency, advancement, use, betterment; increase, correction.
Ant.Degeneracy, retrogradation, degeneration, debasement, deterioration, retrogression.
Impudence.Assurance, boldness, impertinence, pertness, rudeness, sauciness, effrontery, forwardness, incivility, insolence, presumption, officiousness, intrusiveness.
Ant.Bashfulness, humility, diffidence, meekness, lowliness, modesty, submissiveness; coyness, obsequiousness, subserviency, abasement.
Impugn.Attack, assail, contradict, oppose, resist, gainsay, controvert, deny, blame.
Ant.Declare, state, allege, approve, commend, defend, repel; propose, propound, confront, face.
Impulse.Thrust, push, impetus; passion, instinct, proclivity, inclination, appetite; motive, influence, incitement, instigation, incentive, force, sudden thought.
Ant.Deliberation, premeditation, rebuff, repulse.
Impulsive.Propulsive, impelling, moving; hot, quick, rash, hasty, passionate; wayward, impressible.
Ant.Discreet, hesitating, reluctant, timid, calculating, wary, cautious.
Impute.Ascribe, refer, charge, attribute, imply, insinuate.
Ant.Withdraw, retract, recall; clear, justify, acquit.
Inane.Empty, void; worthless, trifling, vacuous, vain, puerile, frivolous; pointless, feeble, vapid, characterless.
Ant.Significant, pointed, powerful, sensible, forcible.
Inanition.Emptiness, vacuity, inanity; vanity, folly, puerility, worthlessness, frivolousness; exhaustion, starvation.
Ant.Fulness, repletion, plethora; significance, meaning.
Inaugurate.Install, invest, induct; celebrate; commence, begin, initiate, originate.
Ant.Divert, deprive, conclude, terminate.
Inauguration.Investiture, installation, induction, consecration, institution, initiation; commencement, formal opening, beginning, origination.
Ant.Dismissal, discharge; valediction, valedictory; close, conclusion, end, termination.
Incandescence.White heat, incalescence, glow.
Ant.Iciness, refrigeration, congelation, crystallization.
Incantation.Sorcery, charm, enchantment, spell, magic, conjuration, witchcraft, witchery, necromancy; recitation, invocation.
Ant.Evocation, exorcism.
Incarnation.Embodiment, impersonation, manifestation, exemplification, personification.
Ant.Disembodiment, abstraction, spiritualization.
Incendiarism.Arson; conflagration.
Ant.Extinction, quenching, annihilation.
Incense,v.Enrage, exasperate, irritate, provoke, inflame, anger, excite, heat, chafe, sting, nettle, gall.
Ant.Allay, soothe, pacify, appease, conciliate, mollify.
Incentive.Inducement, incitement, spur, impulse, stimulant, goad, motive, cause, encouragement, rousing, excitation.
Ant.Deterrent, prohibition, warning, discouragement, dissuasion.
Inception.Beginning, inauguration, commencement.
Ant.Ending, finis, conclusion, termination.
Incessant.Ceaseless, continual, unceasing, unremitting, perpetual, constant, everlasting, eternal, uninterrupted, unintermittent.
Ant.Periodic, occasional, intermittent, interrupted.
Incidence.Impact, stroke, impingement.
Ant.Reflection, resilience, rebound.
Incident,n.Event, occurrence, circumstance, chance, accident, fact, adventure, casualty.
Ant.Cause, antecedent, reason, tendency, inducement, influence.
Incident,Incidental,a.Happening, liable; belonging, pertaining, appertaining, natural, relating; falling, impinging; casual, occasional, pertinent, fortuitous, concurrent, concomitant, accidental.
Ant.Regular, systematic, disconnected, independent, irrelative, inherent, essential, immanent, invariable, uniform.
Incipient.Beginning, inchoate, commencing, embryonic.
Ant.Final, terminal.
Inclemency.Harshness, severity, rigor, roughness, boisterousness, storminess, tempestuousness.
Ant.Clemency, mildness, leniency, gentleness.
Inclement.Harsh, tyrannical, cruel, unmerciful, severe, rigorous, stormy, rough, boisterous.
Ant.Benign, clement, mild, genial, merciful.
Inclination.Inclining, slope, leaning, slant; trend, verging, obliquity; disposition, predilection, bent, bias, proclivity, proneness, tendency, leaning, aptitude, propensity; desire, wish, fondness, liking, partiality; aptness, attachment, affection.
Ant.Tangency, disinclination, divergence, ineptitude, inaptness, dislike.
Incline,v.Slant, lean, slope; trend, verge, tend; be disposed, have a desireorpropensity; dispose, predispose, turn, bias; bend, bow; bear, dip, induce, prompt.
Ant.Deter, restrain, check; ascend, rise; indispose, disincline.
Include.Hold, contain; comprise, embody, comprehend, embrace, take in.
Ant.Exclude, leave out.
Inclusive.Enclosing, encircling; including, comprehending, embracing; comprehensive, additive, implied.
Ant.Exclusive, excepted; adversative, opposite, contrary, antithetical.
Income.Revenue, profits, gains; proceeds, pay, allowance.
Ant.Expenditure, disbursement, outlay, expense.
Incongruous.Inconsistent, unsuitable, absurd, conflicting, discordant, discrepant, repugnant, mismated, incompatible, inapposite, contrary, contradictory, inappropriate, inharmonious, ill-matched, irreconcilable, mismatched.
Ant.Consistent, harmonious, suitable, accordant, agreeing, compatible.
Increase,n.Accession, growth, extension, augmentation, addition, enlargement, expansion, increment; product, produce, gain, profit; offspring, issue, progeny, descendants.
Ant.Deduction, detraction, diminution, contraction, loss, waste, detriment, curtailment, reduction, expenditure, impoverishment.
Increase,v.Advance, heighten, pile up, enhance, aggregate, dilate, magnify, spread, augment, greaten, enlarge, raise; extend, prolong; aggravate, intensify; grow; multiply, be fruitful.
Ant.Decrease, lessen, diminish, decline, abate, lower, reduce, curtail, retrench.
Inculcate.Infuse, impress, enforce, instil, implant, ingraft, urge, teach.
Ant.Insinuate, suggest, abjure, disavow, denounce.
Incumbent.Obligatory, binding, devolving; lying, leaning, reclining, resting, weighing down, prone; coercive, indispensable, urgent; threatening, impending.
Ant.Optional, discretional, elective, voluntary.
Incur.Contract, become liable to; bring on; meet, run.
Ant.Avoid, shun.
Incursion.Inroad, raid, invasion, irruption, descent, foray, sally, encroachment.
Ant.Encampment, retreat, abode, settlement.
Indebted.Owing, obliged, beholden, under obligation.
Ant.Disobliged, unbeholden.
Indeed.Truly, really, verily, positively, absolutely, in fact, veritably, certainly, in truth; strictly, in point of fact.
Ant.By no means, not at all.
Indefatigable.Unwearied, untiring, persevering, persistent, assiduous, sedulous, unremitting, never-tiring, unflagging; incessant, indomitable.
Ant.Idle, indifferent, indolent.
Indelible.Ineffaceable, indestructible, ingrained, indefeasible, irreversible, persistent.
Ant.Mutable, evanescent, transient, effaceable.
Indemnify.Secure, save; compensate, remunerate, reimburse, requite; satisfy.
Ant.Fine, mulct, amerce.
Indicate.Show, denote, mark, betoken, signify, point out, designate, specify; evidence, evince, betray, manifest, declare.
Ant.Conceal, misdirect, falsify, misindicate, negative, contradict.
Indication.Indicating sign, mark, note, index, symptom, token, hint, suggestion, manifestation; evidence, demonstration, proof, prognostic.
Ant.Silence, surmise, misdirection, undemonstrativeness, misguidance, misindication.
Indictment.Indicting, presentment; accusation, charge, impeachment, arraignment, crimination.
Indifference.Neutrality, impartiality, disinterestedness; unconcern, apathy, coolness, negligence, carelessness, inattention, heedlessness; triviality, insignificance, unimportance; inferiority; insensibility, composure.
Ant.Importance, interest, significance, weight, gravity, affection, ardor, eagerness.
Indifferent.Neutral, unbiased, impartial, disinterested; cool, unconcerned, unmoved, cold, inattentive, apathetic, dead, regardless, heedless, unmindful; equal, all the same, all one, just the same; passable, tolerable, ordinary, middling, mediocre, rather poor; lukewarm, careless.
Ant.Anxious, careful, susceptible, sympathetic, sensitive.
Indigent.Poor, needy, destitute, necessitous, reduced, penniless, moneyless, distressed, insolvent, in want; impecunious, straitened.
Ant.Wealthy, moneyed, rich, affluent, opulent.
Indignation.Resentment, anger, ire, wrath, fury, rage, exasperation, choler; denunciation, displeasure, protestation.
Ant.Gratification, admiration, approval, applause, complacency.
Indignity.Insult, outrage, affront, slight, dishonor, abuse, disrespect, contumely, reproach, opprobrium, obloquy; rudeness, contemptuousness, ignominy, disgrace.
Ant.Deference, compliment, honor, respect.
Indiscriminate.Undistinguishing, undiscriminating; mixed, confused, mingled, promiscuous, indistinguishable; ill-assorted, undiscerning.
Ant.Careful, sorted, select, discerning.
Indisposed.Averse, disinclined, unwilling, reluctant, backward, loath; ill, ailing, sick.
Ant.Prompt, willing, eager,desirous, inclined; healthful, sound.
Indite.Compose, write, dictate, pen; prompt, suggest, word, describe, phrase.
Ant.Transcribe, copy, imitate, duplicate.
Individual,n.Person, personage, character, some one; unit, single instance; personality.
Ant.Species, genus, family, kind.
Individual,a.Particular, special, separate, single, unique, one; peculiar, personal; positive, decided, unconventional, independent, specific, indivisible, singular, identical, idiosyncratic.
Ant.General, common, collective, plural, universal.
Individuality.Personality, distinct existence; character, decision, self-direction, originality, self-determination, uniqueness.
Ant.Generality, mediocrity.
Indolence.Laziness, sloth, inertness, idleness, sluggishness, slothfulness.
Ant.Activity, energy.
Indomitable.Unyielding, unconquerable, invincible; untamable, irrepressible, indefatigable.
Ant.Effortless, feeble, languid.
Indorse.Superscribe; sanction, approve, vouch for, confirm, ratify; accept.
Ant.Protest, repudiate, renounce, abjure, cancel.
Induce.Influence, impel, move, prompt, instigate, persuade, actuate, urge, incite, spur, prevail upon; cause, produce, effect, bring on.
Ant.Prevent, disincline, dissuade, deter, hinder, restrain.
Induction.Introduction, installation, inauguration, institution; conclusion, inference, generalization, inductive method; collection, collation, application.
Ant.Statement, hypothesis; deduction; subtraction; principle, class, law, proposition, argumentation, discourse.
Indulge.Gratify, yield, satisfy; humor, pamper, favor; allow, permit, suffer, cherish, foster, harbor; spoil, revel, grovel.
Ant.Thwart, deny, disappoint, discard, contradict, renounce, counteract, mortify, abjure, discipline.
Indulgence.Gratification, humoring, pampering; leniency, kindness, tenderness, favor, liberality.
Ant.Abstinence, self-sacrifice, repression, restraint.
Indulgent.Yielding, compliant; lenient, mild, clement, tolerant, gentle, kind, tender, forbearing.
Ant.Harsh, severe, rough, austere, self-controlled, abstinent.
Industrious.Diligent, active, busy, assiduous, engaged, employed, sedulous, occupied, laborious, hard-working; brisk, persistent, persevering.
Ant.Lazy, shiftless, idle.
Industry.Diligence, labor, application, assiduity, attention, constancy, exertion, intentness, patience, perseverance, persistence, sedulousness, pains, effort, activity, toil.
Ant.Idleness, inattention, neglect, negligence, sloth, remissness, changeableness, indolence, inconstancy, inactivity, fickleness, ease, indiligence.
Ineffable.Unspeakable, indescribable, inexpressible, unutterable; inconceivable, unsurpassable,undeclarable, exquisite, perfect.
Ant.Common, trivial, superficial, vulgar, commonplace, conversational, colloquial, obvious.
Inert.Inactive, lifeless, dead, passive, motionless; dull, indolent, torpid, lazy, idle, supine, sluggish, slothful; heavy, dormant.
Ant.Active, alert, brisk, energetic, quick, vigorous.
Inevitable.Necessary, unavoidable, infallible, certain, fixed, irresistible.
Ant.Uncertain, avoidable, indeterminate.
Infamy.Dishonor, shame, disgrace, discredit, ignominy, opprobrium, scandal, obloquy, abasement; villainy, disgracefulness, wickedness, atrocity, shamefulness; despair, degradation.
Ant.Honor, reputation, renown, glory, celebrity.
Infantile.Young, childish, tender; babyish, weak; childlike, babylike; puerile, imbecile.
Ant.Manly, vigorous, mature, robust.
Infatuation.Folly, stupefaction, foolishness, prepossession, obsession; fatuity, hallucination, madness, self-deception.
Ant.Sagacity, soundness, wisdom, sanity, clear-sightedness.
Infection.Contagion; contamination, taint, bane, pest, poison, corruption, defilement, vitiation, pollution.
Ant.Purification, disinfection, antidote, antisepsis.
Infectious.Contagious, catching, pestilential, pestiferous; contaminating, corrupting, defiling, polluting, poisoning, vitiating.
Ant.Wholesome, sanative, beneficial, antiseptic.
Infer.Deduce, conclude, gather, collect, consider probable; derive, argue.
Ant.State, enunciate, assume, guess, conjecture, propound, anticipate, prognosticate.
Inference.Conclusion, deduction, corollary, consequence; generalization, induction.
Ant.Statement, proposition, enunciation.
Inferiority.Subordination; deficiency, imperfection, minority, poverty, subjection, servitude, depression; mediocrity.
Ant.Superiority, eminence, excellence, majority, elevation, independence, mastery, exaltation.
Infernal.Hellish; diabolical, devilish, fiendish, demoniacal, satanic, atrocious, nefarious, dark, accursed, abominable.
Ant.Angelic, cherubic.
Infest.Throng, overrun, beset, swarm in; disturb, plague, annoy, tease, harass, trouble, molest, torment, worry, pester.
Ant.Comfort, refresh, regale, gratify.
Infidel.Unbeliever, disbeliever, atheist, denier, freethinker, deist, skeptic, heretic.
Ant.Believer, pietist, devotee, Christian.
Infidelity.Unbelief, disbelief, skepticism; faithlessness, unfaithfulness, disloyalty.
Ant.Fidelity, belief, faith, religiousness, credulity, credulousness; faithfulness, loyalty.
Infinite.Absolute, illimitable, limitless, boundless, interminable, eternal, unlimited, unmeasured, measureless, unfathomable, unconditioned, numberless,unbounded, immeasurable, innumerable, countless.
Ant.Brief, bounded, relative, short, limited, finite, restricted, transient, transitory, small, little, evanescent, circumscribed, measurable, moderate, narrow, shallow; infinitesimal.
Infinitesimal.Minute, atomic, microscopic, inappreciable, inconspicuous, undiscernible, infinitely small.
Ant.Enormous, vast, infinite, immeasurable.
Infinitude,Infinity. Boundlessness, vastness, immensity; infiniteness; eternity, absoluteness, self-determination, self-existence.
Ant.Relativity.
Infirm.Weak, feeble, frail, debilitated, enfeebled, weakened; faltering, wavering, irresolute, vacillating; unsound, unstable, insecure; decrepit, lame, failing, impotent.
Ant.Sound, forcible, firm, strong, sure, cogent, healthy, healthful.
Infirmity.Weakness, decrepitude, debility, feebleness, frailness, frailty; foible, fault, failing, defect; disease, malady, unsoundness.
Ant.Strength, vigor, unhealthfulness, soundness.
Inflame.Excite, stimulate, incite, enkindle, rouse, animate, inspirit, work up, fire; irritate, exasperate, anger, nettle, provoke, enrage, incense, madden, infuriate; fan, embitter.
Ant.Quench, extinguish, allay, cool, pacify, quiet.
Inflate.Distend, expand, swell, bloat, blow up; puff up, make conceited; increase, enlarge.
Ant.Exhaust, empty, flatten, squeeze, compress.
Inflated.Distended, swollen, bloated; tumid, turgid, bombastic, stilted, declamatory, rhetorical, sophomorical, high-flown; pompous.
Ant.Simple, plain, unaffected, concise, laconic, explicit, brief.
Inflection.Bend, bending, curvature, flexure, crook; variation, declension, conjugation, comparison; flexion.
Ant.Straightness, directness, rectilinearity.
Inflict.Impose, lay on, put on; afflict.
Ant.Spare, remove, alleviate, suspend.
Infliction.Imposition, inflicting; punishment, judgment; grievance, trouble, nuisance.
Ant.Remission, sparing; pleasure, gratification; accommodation, condoning.
Influence,n.Authority, ascendency, control, predominance, sway; reputation, weight of character, credit; influx, inflow; effect, causation, impulse, affection, power, weight, prestige.
Ant.Inefficiency, ineffectiveness, inefficacy, nullity, inoperativeness, neutrality.
Influence,v.Induce, incite, incline, persuade, move, stir, actuate, sway, compel, urge, instigate, prompt, lead, impel, excite, drive, draw, direct, bias.
Ant.Prevent, restrain, retard, deter, discourage, impede, inhibit, hinder, dissuade.
Influential.Potent, powerful, controlling; efficacious, persuasive, forcible, guiding, considerable; authoritative.
Ant.Weak, ineffective, inoperative, inconsiderable, unpersuasive.
Inform.Quicken, animate, inspire;acquaint, apprise, mention to, notify, advise, tell; educate, enlighten, instruct, impart, communicate.
Ant.Misinstruct, misjudge, deceive, hoodwink, misinform, mystify.
Information.Advice, notice, intelligence; knowledge; accusation, complaint, denunciation; instruction, counsel, notification.
Ant.Concealment, mystification, ignorance, occultation.
Infringe.Transgress, violate, break, disobey, nullify.
Ant.Preserve, observe, conserve, maintain.
Infuse.Instil, inspire, introduce, inculcate, implant, diffuse, shed, steep, soak, water, infiltrate, insinuate, breathe into.
Ant.Strain, dry, drain, divert, retract.
Ingenious.Inventive, gifted, able, clever, bright, ready, sagacious, adept, skilful.
Ant.Unskilful, uninventive, slow, unready, unresourceful, unprepared, unapt.
Ingenuity.Inventiveness, ingeniousness, acuteness, skill, ability, readiness, faculty, aptitude, cunning, turn, gift, genius.
Ant.Inability, ineptitude, clumsiness.
Ingenuous.Artless, open, candid, frank, sincere, straightforward, honest, transparent, guileless, truthful, childlike, naive, noble, generous, honorable.
Ant.Mean, reserved, sly, insincere, disingenuous.
Ingratiate.Commend one’s self into favor, insinuate, recommend.
Ant.Alienate, estrange.
Ingredient.Element, component, constituent.
Ant.Refuse, residuum, incongruity, counteragent.
Inherent.Sticking fast, adhering; essential, immanent, inborn, inbred, native, natural, subjective, innate, intrinsic, inhering, congenital, indispensable, indwelling, infixed, internal, ingrained, inseparable, inwrought.
Ant.Extrinsic, superficial, fortuitous, casual, accidental, external, outward, superfluous, transient, unconnected, supplemental, incidental, subsidiary, superadded; foreign, extraneous, separable, temporary.
Inherit.Get as legacy; occupy, possess, enjoy.
Ant.Acquire, earn, gain, squander, bequeath, leave, demise, devise; dissipate, alienate.
Inheritance.Inheriting; heritage, patrimony; bequest, possession, legacy.
Ant.Acquisition, purchase, donation; forfeiture, lapse; escheatment, alienation.
Inheritor.Heir, successor, legatee, devisee.
Ant.Testator, devisor.
Inimical.Antagonistic, hostile, unfriendly; adverse, opposed, contrary, repugnant, noxious, pernicious, hurtful, harmful.
Ant.Friendly, companionable, comradely; unanimous, agreeable, beneficial.
Iniquity.Injustice, wickedness, sin, unrighteousness; crime, offense, misdeed, grievance, evil-doing.
Ant.Justice, integrity, virtue, holiness, honesty, uprightness.
Initiation.Introduction, entrance, admission; instruction;opening, beginning, inauguration, commencement.
Ant.Termination, completion, finish, fulfilment, outcome.
Initiative.Commencement, beginning; power to originate or begin; start, leadership, example.
Ant.Termination, wake, rear; prosecution, progress, perseverance, accomplishment.
Injunction.Command, order, mandate, precept, exhortation.
Ant.Disobedience, non-observance, non-compliance, insubordination.
Injure.Maltreat, wrong, abuse; harm, damage, spoil, mar, disfigure, wound, cripple, sully.
Ant.Benefit, profit, advantage, advance, repair.
Injurious.Wrong, unjust, iniquitous; hurtful, detrimental, pernicious, deleterious, noxious, deadly, mischievous, baneful, fatal, destructive, damaging, ruinous, disadvantageous; libelous, slanderous; prejudicial.
Ant.Helpful, advantageous, beneficial, salutary, profitable.
Injury.Blemish, damage, evil, disadvantage, detriment, hurt, loss, wrong, prejudice, injustice, mischief, impairment, outrage, harm.
Ant.Remedy, advantage, amelioration, benefit, service, boon, help, blessing, improvement, utility.
Injustice.Wrong, unrighteousness, iniquity, grievance, unfairness, injury.
Ant.Equity, fairness, justice, right, rectitude, integrity, honesty, impartiality, uprightness, lawfulness, righteousness, honor, faithfulness, fair play.
Inlet.Opening, entrance, commencement, ingress.
Ant.Outlet, egress, debouchure.
Inmate.Occupant, dweller, denizen, inhabitant, tenant, resident.
Ant.Visitor, intruder, foreigner, stranger, traveler.
Inn.Hotel, public house, tavern.
Innate.Inherent, inborn, natural, inbred, native, congenital, organic.
Ant.Unnatural, adventitious, assumed.
Inner.Inmost, within, interior, secret, close, vital.
Ant.Outer, outermost, exterior, open.
Innocence.Harmlessness, inoffensiveness, innocuousness; sinlessness, purity, stainlessness, simplicity, guilelessness, guiltlessness, blamelessness.
Ant.Guilt, offensiveness, contamination, sinfulness, impurity, guile, corruption.
Innocent.Pure, sinless, virtuous, upright, stainless, right, faultless, guileless, clear, clean, blameless, guiltless, harmless, inoffensive, righteous, spotless, immaculate, innocuous.
Ant.Criminal, culpable, immoral, guilty, blameworthy.
Innocuous.Harmless, innocent, inoffensive, wholesome, innoxious.
Ant.Hurtful, deleterious, insidious, obnoxious.
Innovation.Change, alteration, novelty, reversal.
Ant.Archaism, conservation, maintenance, old fashion, obsolescence.
Inoculate.Vaccinate, impregnate, indoctrinate, instil, insert, imbue, ingraft, ingrain.
Ant.Prune, divest; disabuse.
Inquiry.Query, interrogation,question, interrogatory; study, investigation, research, exploration, examination, scrutiny; asking, search.
Ant.Guess, intuition, conjecture, assumption, supposition, hypothesis.
Inquisitive.Curious, meddlesome, intrusive, searching, prying, inquiring, meddling, peeping, scrutinizing.
Ant.Uninterested, unconcerned, careless, heedless, apathetic, inattentive, indifferent.
Inroad.Incursion, foray, raid, irruption, encroachment, trespass, infringement, dragonnade.
Ant.Occupation, sally, retreat, settlement, evacuation, excursion, egress.
Insane.Crazy, lunatic, mad, deranged, demented, crazed, delirious.
Ant.Sane, sound, sensible, quiet, composed, sober.
Insanity.Delirium, dementia, frenzy, lunacy, mania, aberration, madness, alienation, derangement, monomania, hallucination, craziness.
Ant.Sanity, clearness, rationality, lucidity, good sense, reason, intellect, intelligence.
Inscribe.Write, engrave, impress, imprint; address, dedicate; label, letter, mark, delineate.
Ant.Erase, efface, cancel, expunge, obliterate.
Inscrutable.Incomprehensible, unsearchable, impenetrable, unintelligible, hidden, mysterious, untraceable, insolvable, profound.
Ant.Obvious, intelligible, explainable, self-evident, familiar.
Insert.Set in, place in, introduce.
Ant.Exclude, follow, add.
Inside.Within, internally.
Ant.Without, outside, externally.
Insidious.Artful, crafty, scheming, cunning, intriguing, tricky, designing; secret, deceptive.
Ant.Straightforward, sincere, undesigning.
Insinuate.Push slily, ingratiate; infuse, inculcate; hint, intimate, suggest; introduce, insert.
Ant.Withdraw, extract, retract, alienate.
Insipid.Tasteless, stale, flat; spiritless, heavy, stupid, uninteresting, prosaic, tame, prosy, dull, unentertaining, characterless, flavorless.
Ant.Racy, interesting, engaging, piquant, spirited, lively.
Insist.Demand, maintain, urge, contend, persist, press, persevere.
Ant.Abandon, surrender, concede, yield, waive, forego.
Insolence.Rudeness, contempt, disrespect, contumely; impertinence, pertness, impudence; frowardness, disobedience, insubordination; arrogance, assumption.
Ant.Consideration, deference, modesty, respect, politeness, bashfulness.
Insolvent.Bankrupt, penniless, beggared, ruined.
Ant.Solvent, wealthy, flush, flourishing, thriving.
Inspect.Examine, scrutinize, investigate, oversee, superintend, supervise, overhaul.
Ant.Overlook, connive, dismiss, glance, pretermit.
Inspector.Examiner, critic, visitor, superintendent, censor, supervisor.
Inspiration.Inhalation; afflatus, obsession; exaltation, enthusiasm,frenzy, impulse, revelation, intuition; insight, genius.
Ant.Study, education, acquirement, learning, elaboration, observation, deduction.
Instance.Request, impulse, instigation, incitement; solicitation, importunity, pressure, urgency; illustration, example, citation, case, exemplification, specification; entreaty, point, prompting, persuasion, occurrence.
Ant.Dissuasion, warning, deprecation, reluctance; rule, principle, statement.
Instant,n.Moment, twinkling, second, minute, flash, trice, jiffy; particular hour or moment.
Ant.Period, time, cycle, duration; eternity, permanence, perpetuity.
Instant,a.Immediate, instantaneous, quick; pressing, earnest, urgent; current, present, passing.
Ant.Continuous, continual; perpetual, eternal.
Instantly.Immediately, forthwith, directly, at once, presently, straightway.
Ant.In the future, after a time.
Instigate.Incite, impel, move, urge, prompt, provoke, stimulate, rouse, influence, encourage, persuade, prevail upon.
Ant.Repress, restrain, discourage, withhold, retard.
Instil.Infuse, insinuate; implant, enforce, impress, inculcate, import, introduce.
Ant.Extract, remove, eliminate, eradicate, drain, extirpate.
Instinct,n.Impulse, proclivity, tendency, inclination, prompting, intuition.
Ant.Reason, deliberation, experience, judgment, elaboration, experiment.
Instinctive.Natural, spontaneous; impulsive, unreflecting; voluntary, intuitive.
Ant.Rational, cultivated, logical, judicious, reasonable, reasoning.
Institute,v.Found, establish, originate, appoint, settle, fix; ordain, enact, pass; begin, commence; invest, instal, appoint, induct, organize.
Ant.Subvert, degrade, deprive, disestablish.
Institution.Establishment, investiture, custom, practice; college, school, academy, seminary, university.
Instruct.Teach, inform, train, educate, enlighten, indoctrinate; direct, command, order; acquaint, discipline, initiate.
Ant.Misinform, misguide, mislead, deceive, neglect; brutalize; learn, study.
Instruction.Teaching, education, training, schooling, information, discipline, tuition, advice, counsel, direction, precept, order, command, mandate.
Ant.Misguidance, misinformation, misdirection; pupilage, obedience.
Instrument.Tool, utensil, implement; agent, medium, machine; document, deed, writing, charter, indenture, record.
Ant.Obstruction, bar, stop, preventive; counteragent, opponent, neutralizer; misapplication, counteraction.
Instrumentality.Intervention, medium, means, agency, mediation; use, employment.