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- or In-. This prefix, which is regularly in-, and which becomes il- before l, ir- before r, and im- before a labial, means in, into, on, or among, or denotes the negative not, 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 desire or propensity; 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.

Ant. Property, quality, virtue, force, efficacy; non-intervention, spontaneity; counteragency, neutralization.

Insult, n. Offense affront, indignity, outrage, abuse, rudeness, dishonor, slight, disrespect.

Ant. Respect, homage, compliment, deference.

Insult, v. Outrage, offend, dishonor, abuse; provoke, mock, ridicule.

Ant. Respect, salute, honor, compliment, flatter, praise.

Insure. Make secure; assure; underwrite; provide, warrant, secure, guarantee, stabilitate.

Ant. Imperil, jeopardize, shake, stake.

Insurgent, n. Rebel, malcontent, mutineer, traitor, rioter.

Ant. Patriot, adherent, supporter; ruler, magistrate.

Insurgent, a. Rebellious, disobedient, mutinous, unruly, insubordinate, seditious.

Ant. Obedient, loyal, patriotic.

Insurrection. Rebellion, revolt, uprising, mutiny, sedition, riot, tumult, anarchy; pronouncement.

Ant. Law, order, peace, subjection, obedience, submission, bondage, subsidence, acquiescence; government, pacification.

Intact. Untouched, unhurt, unharmed, uninjured, scatheless; whole, entire, unbroken, undiminished; safe, inviolate, sacred, undefiled, uncorrupted, uncontaminated.

Ant. Defiled, hurt, touched, injured, corrupt, affected, contaminated.

Integrate. Unite, combine, consolidate, solidify, incorporate; sum, complete.

Ant. Analyze, dismember, detach, remove, amputate, disintegrate.

Integrity. Completeness, entirety, wholeness; honesty, rectitude, virtue, goodness, principle; uprightness, honor, probity, candor, truthfulness, conscientiousness.

Ant. Fraud, meanness, rascality, duplicity, unfairness, underhandedness.

Intellect. Reason, mind, sense, brains, understanding; consciousness, instinct; ability, genius, talent.

Ant. Matter, mechanism, force; passion; spirit, soul.

Intellectual. Mental, psychological, inventive, learned, cultured; philosophical, metaphysical.

Ant. Illiterate, unlearned, ignorant.

Intelligence. Knowledge, information, understanding, apprehension, discernment, acumen, penetration, quickness, brightness, comprehension; news, announcement, tidings, report, rumor, statement, notice, notification, publication, advice, instruction; intellect, spirit.

Ant. Misinformation, misunderstanding; ignorance, concealment, stupidity, misapprehension, dulness, suppression, silence.

Intelligible. Clear, plain, understandable, distinct, comprehensible, explainable, familiar, self-evident, obvious.

Ant. Inscrutable, mysterious, hidden, insolvable, impenetrable, unfathomable.

Intend. Design, resolve, mean, propose, purpose, contemplate, determine, meditate.

Ant. Venture, risk, hazard, chance.

Intense. Close, severe, strict, intent, strained; extreme; forcible, energetic, powerful; ardent, earnest, vehement, excessive, immoderate.

Ant. Relaxed, easy, moderate, forceless, impotent, indifferent, cool, languid.

Intensity. Intenseness, closeness, severity, strictness; tension, force, concentration, attention, strain; vehemence, violence, excess; ardor, energy, eagerness, power, vigor, activity, strength.

Ant. Laxity, relaxation, debility, languor, coolness, indifference.

Intent, n. Purpose, aim, object, design, end, meaning, intention, purport, scope, drift, view.

Ant. Chance, lot, accident, fate.

Intent, a. Eager, fixed, earnest, close, bent, set.

Ant. Distracted, diverted, indifferent.

Intention. Design, purpose, intent, meaning, purport.

Ant. Chance, fortune, luck.

Intentional. Deliberate, contemplated, designed, intended, studied, purposed, premeditated.

Ant. Casual, accidental, undesigned, fortuitous.

Inter. Bury, entomb, inhume.

Ant. Exhume, disinter.

Inter-. The synonyms and antonyms of words beginning with the prefix inter-, signifying between, among, amidst, mutually, may be obtained by adding this meaning to that of the synonyms and antonyms of the root word, in such cases as are of simple derivation.

Intercede. Mediate, arbitrate, interpose, plead, make intercession, advocate, interfere.

Ant. Abandon, excuse, incriminate, inculpate.

Intercept. Stop, cease; arrest, catch; obstruct, interrupt.

Ant. Send, despatch, delegate, forward, commission, interchange.

Intercourse. Converse, communication, communion, commerce, connection, correspondence, intimacy, dealing, intercommunication.

Ant. Cessation, suspension, reticence, disconnection, interception.

Interdict. Prohibit, forbid, proscribe, inhibit, restrain, stop, debar, disallow.

Ant. Indulge, grant, allow, concede.

Interest, n. Advantage, benefit, profit, good; part, portion; regards, sympathy, concern, attention, curiosity, selfishness, behalf, share; authority, influence; premium.

Ant. Disadvantage, loss; inattention, unconcern, indifference; disconnection, repudiation.

Interfere. Intermeddle, interpose; clash, conflict, intervene, be opposed.

Ant. Withdraw, retract, retire, recede.

Interior. Inside, internal, inner, inward, inland.

Ant. Outside, exterior.

Interloper. Intruder, meddler, supernumerary.

Ant. Member, constituent.

Intermediate. Intervening, interposed, interjacent, included, comprised, middle, moderate.

Ant. Surrounding, enclosing, outside, embracing, circumjacent; extreme; exclusive.

Interment. Burial, sepulture, inhumation.

Ant. Exhumation, resurrection.

Intermission. Suspension, interruption, stoppage, rest, stop, pause, suspense, respite, interlude, remission, cessation, discontinuance, interval, interregnum.

Ant. Continuity, continuance, constancy, uninterruptedness, permanence, perpetuity.

Intermit. Suspend, interrupt, relax, discontinue, break, stop, cease, abate, subside.

Ant. Continue, prosecute; urge, despatch.

Internal. Inner, interior, inside; within.

Ant. Outer, exterior, outside.

Internecine. Destructive, exterminating, deadly, inextinguishable, irreconcilable, mortal, internecinal.

Ant. Desultory, incursive, marauding, skirmishing, buccaneering, guerilla, freebooting.

Interpolate. Introduce, insert, foist in, intercalate; interlard, interweave, import, garble, intersperse, gloss.

Ant. Expunge, erase, expurgate; verify, authenticate; elide.

Interpose. Interfere, intercede, interrupt, mediate, meddle, arbitrate, intermeddle.

Ant. Avoid, shun, retire, withdraw, hold aloof, let be, keep clear, stand aside.

Interpret. Explain, define, expound, elucidate, unfold, decipher; translate, render, construe; declare, represent, solve.

Ant. Mistake, misconceive, misunderstand, falsify, misinterpret, distort, misrepresent.

Interpretation. Exposition, explanation, elucidation; version, construction, rendering, translation; sense, meaning, definition, signification, solution.

Ant. Misinterpretation, misrendering; problem, text, difficulty.

Interrogate. Question, ask, examine, inquire of, catechise.

Ant. Affirm, answer, assert, indorse, pronounce.

Interrupt. Disturb, stop, hinder, delay, interfere with; separate, disconnect, divide, sever, sunder, cut, dissolve; suspend, discontinue, break off; intersect.

Ant. Continue, prosecute, expedite.

Interstice. Crevice, hole, interval, chink, cleft, cranny, gap, crack, fissure, interspace.

Ant. Seam, suture, stop-gap.

Interval. Interstice; spell, season, period, term, intermediate time, interim, meantime, intermission, interspace, cessation.

Ant. Continuity, uninterruptedness, simultaneousness.

Intervention. Interposition, interference, intrusion, intercession, insinuation; agency, mediation.

Ant. Continuance, non-interference.

Interview. Meeting, parley, conference, consultation, colloquy, confabulation.

Ant. Isolation, exclusion, independence, avoidance.

Intestate. Unwilled, undevised, unbequeathed.

Ant. Willed, bequeathed, devised.

Intestine, a. Internal, domestic, interior, inward; civil; subjective.

Ant. External, outward, foreign, federal; objective.

Intimate, n. Confidant, associate, crony, familiar, companion, friend.

Intimate, v. Suggest, hint, insinuate, allude to, remind of; announce, declare, communicate, tell.

Ant. Conceal, reserve, withhold, repress.

Intimate, a. Near, close, familiar, friendly, confidential; internal, interior, inward, deep-seated, hearty; thorough, complete, direct, exact; conversant.

Ant. Distant, strange, unfamiliar; superficial.

Intimidate. Frighten, alarm, scare, daunt, dismay, threaten, appal, terrify, deter, dishearten.

Ant. Calm, compose; encourage, inspirit, animate, reassure.

Intolerable. Insufferable, unendurable, insupportable, unbearable.

Ant. Endurable, comfortable, tolerable, supportable, possible to be borne.

Intolerant. Bigoted, unforbearing; extreme.

Ant. Tolerant, forbearing, large-minded, indulgent.

Intoxication. Inebriety, inebriation, drunkenness; excitement, infatuation, exhilaration, delirium, bewilderment, hallucination, ecstasy; poison, venom.

Ant. Antidote, sobriety, sanity, gravity, melancholy, depression; abstinence, abstemiousness.

Intrenchment. Ditch, dike, fortification, earthwork, moat; defense, protection, shelter, invasion, inroad, encroachment, infringement, trespass.

Ant. Wall, rampart, mole, embankment, mound, bastion; forbearance, deference, respect.

Intrepid. Bold, brave, fearless, undaunted, courageous, valorous, unterrified, dauntless, chivalrous, heroic, undismayed, unawed, valiant, doughty.

Ant. Cautious, timid, fearful, cowardly, dismayed, terrified.

Intricacy. Complexity, complication, entanglement, perplexity, difficulty, intricateness, obscurity, confusion.

Ant. Directness, obviousness; system, method; disposition, array.

Intricate. Involved, perplexed, complicated, entangled, complex; mazy, labyrinthine, tortuous.

Ant. Simple, direct, obvious, plain, uninvolved.

Intrigue. Plot, scheme, cabal, conspiracy, machination, artifice, cunning, duplicity, trickery, chicanery, ruse; liaison, amour.

Ant. Insurrection, assault, rebellion, force, violence; sincerity, candor, honesty, openness, straightforwardness.

Intrinsic. Inward, internal, essential, real, genuine, true, inherent, native, innate, natural, immanent, inbred, inborn.

Ant. Extrinsic, acquired, apparent, accidental, borrowed, assumed, pretended, added, external, adventitious.

Introduce. Lead in, usher in, present, conduct in, commence, make acquainted, make known, begin, preface.

Ant. Come after, succeed, follow; end, conclude.

Introduction. Introducing, presentation, ushering in; preface, prelude, preamble, proem, exordium; induction, importation, insertion, commencement, preliminary; portico, gate, vestibule, entrance.

Ant. Eduction, ejection; extraction, exportation, elimination, estrangement; completion, conclusion, end; egress.

Introductory. Prefatory, initiatory, preliminary, precursory, preparatory; commendatory.

Ant. Final, conclusive, terminal, valedictory, supplemental; alienative.

Intrude. Obtrude, encroach, infringe, trespass, trench, interfere, meddle.

Ant. Withdraw, retire, recede; remove, retract.

Intrusion. Encroachment, interference, intruding, obtrusion, infringement.

Ant. Withdrawal, removal, retirement, retraction.

Intuition. Apprehension, cognition, perception, beholding; instinct, insight, recognition.

Ant. Information, instruction, learning, experience, acquirement, induction.

Inundate. Flood, deluge, overflow, submerge, cover, overwhelm.

Ant. Drain, dry, reclaim, desiccate, parch.

Invade. Attack, infringe, violate, encroach on, trench upon; march into, enter in, assault, assail, occupy.

Ant. Abandon, relinquish, vacate, evacuate.

Invalid, a. Week, feeble, infirm, sick, frail; null, void; unsound, baseless, untrue, unfounded, fallacious.

Ant. Strong, well, healthy, vigorous; sound, legal, constitutional; legitimate, authorized; genuine, true, correct, exact.

Invalidate. Nullify, cancel, annul, overthrow, make void.

Ant. Conserve, maintain, establish, confirm, enact, institute.

Invasion. Trespass, incursion, irruption, encroachment, inroad.

Ant. Evacuation, abandonment, relinquishment; settlement; retreat.

Invective. Satire, sarcasm, diatribe, railing, abuse; obloquy, denunciation, vituperation, reproach, castigation.

Ant. Praise, commendation, encomium, eulogy, panegyric.

Invent. Discover, find out, devise, contrive, produce; design, concoct, elaborate; conceive, contrive, fabricate, originate, forge, frame.

Ant. Copy, imitate, reproduce; execute.

Invention. Contrivance, construction, device; fiction, fabrication, falsehood; thought, idea.

Ant. Material.

Inventive. Ingenious, skilful, clever, adept, resourceful.

Ant. Slow, unskilful, uninventive.

Inventor. Contriver, originator, author, creator.

Ant. Destroyer.

Inventory. List, catalogue, register, record, enrolment, enumeration.

Inversion. Reversal, transposition, alteration, deflection, violation, permutation.

Ant. Erectness, verticality; stability, permanence, fixity, state, order, sequence; conservation.

Invert. Upset, overthrow, reverse, subvert.

Ant. Restore, set up, make upright.

Invest. Clothe, dress, array, endow; attend, surround; lay out.

Ant. Divest, dismantle, unclothe, strip, disrobe; deprive.

Investigate. Inquire, examine, test, scrutinize, prove, search, explore, inspect, criticize, discuss, study.

Ant. Conjecture, guess.

Investigation. Search, examination, inquiry, research, exploration, inquisition, sifting, scrutiny, study.

Ant. Discovery, clue, indication; solution, thread.

Investiture. Installation, induction, investment, habilitation.

Ant. Divestiture, divestment.

Inveterate. Long-established, obstinate; malignant, spiteful, virulent; besetting, confirmed, chronic, ingrain, incarnate, habitual, deep-rooted, hardened, accustomed.

Ant. Undeveloped, incipient, unformed.

Invidious. Hateful, offensive, odious; unfair, partial, inconsiderate; gratuitous.

Ant. Fair, just, considerate, impartial, due.

Invigorate. Strengthen, brace, harden, nerve, refresh, stimulate, animate, exhilarate.

Ant. Weaken, enfeeble, debilitate, deteriorate, relax, unstring, enervate.

Invitation. Solicitation, allurement, enticement.

Ant. Rebuff, snub, check, repulse.

Invite. Ask, summon, bid, request, solicit, call, attract, entice, persuade, allure; tempt, incite, challenge.

Ant. Repel, forbid, deprecate; exclude, discard.

Invoke. Supplicate, implore, solicit, summon, call, beseech, invite, challenge, invocate, appeal to, conjure, imprecate.

Ant. Defy; deprecate, deter; ignore, elude; warn, inhibit.

Involution. Complication, entanglement; envelope; implication, mingling.

Ant. Evolution, disconnection, evolvement, extrication, separation.

Involve. Envelop, wrap, cover; comprise, embrace, contain; connect, unite, mingle, blend, twine, interweave; implicate, entangle, complicate, embroil, embarrass, include, overwhelm, imply.

Ant. Extricate, remove, disconnect, separate, disentangle, distinguish, explicate.

Inward. Secretly, privately; internal, interior, inner; within.

Ant. Outward, external, exterior.

Iota. Jot, tittle, particle, atom.

Ant. Whole, mass.

Irate, Irascible. Hasty, angry, enraged, incensed, choleric, irritable.

Ant. Good-tempered, calm, forbearing, gentle, mild.

Ire. Anger, wrath, rage, fury, choler, indignation, resentment, displeasure, vexation.

Ant. Good will, patience, forbearance, mildness, forgiveness, reconciliation, peaceableness.

Irridescent. Prismatic; opaline, polychromatous, nacreous.

Ant. Blanched, neutral, colorless, dingy, achromatic.

Isolate. Separate, detach, dissociate; insulate.

Ant. Associate, unite.

Isolation. Separation, loneliness, segregation, detachment, disconnection, insulation; solitariness, solitude.

Ant. Organization, community, co-membership, connection; continuity, concatenation.

Issue. Egress, exit, outlet; delivery; copy, number, edition, impression; event, outcome, result, end, conclusion, consummation, effect, termination; children, offspring, posterity, progeny; antagonism, controversy, contest.

Ant. Cause, principle, influence, action, working, operation; law, system, commencement; ancestry, paternity.

Iteration. Recital, repetition, reiteration, recurrence, harping, succession.

Ant. Single statement.

Itinerant, a. Traveling, wandering, roving, roaming, journeying, unsettled, nomadic.

Ant. Stationary, domestic, settled, fixed, local.

Itinerary. Guide, guidebook, schedule.