ice, n. Associated Words: igloo, iceberg, glacier, floe, icicle, frazil, avalanche, curling, skate, skee, skating, skeeing, brash, glare, serac, crampoons, calk, glaciate, glaciation, creeper, anchor ice.

iced, a. chilled, frappe.

Iceland moss. lichen.

icy, a. glacial, glacious.

idea, n. conception, notion, opinion, fancy, impression; intention, design.

ideal, a. faultless, consummate, perfect.

idiocy, n. imbecility, foolishness, fatuity, folly, senselessness

idiot, n. imbecile.

idiotic, a. imbecile, foolish, fatuous, senseless.

idle, a. leisure; vain, unavailing, futile, ineffectual; indolent, slothful, inactive, lazy, otiose.

idleness, n. indolence, sloth, inaction, laziness; futility, vanity. Associated Word: Cocagne.

idler, n. sluggard, drone, lounger, loafer, dawdler, donothing.

idol, n. image (of a divinity), effigy, graven image; Juggernaut. Associated Words: idolater, idolatrous, idolatry, idolize, iconoplast, iconoclast, iconodule, idolomania, iconography, iconology, idoloclast, iconomachy, ting, iconolatry.

idolize, v. deify, worship, adore.

ignis fatuus. Will-o'-the-wisp, Jack-with-a-lantern, decoy.

ignoble, a. humble, plebeian, untitled; base, dishonorable, low.

ignominious, a. dishonorable, shameful, infamous, disreputable.

ignominy, n. disgrace, dishonor, reproach, obloquy, shame, humiliation.

ignoramus, n. dunce, illiterate, sciolist, wiseacre, dullard, simpleton.

ignorance, n. illiteracy, inerudition, unenlightenment, nescience; quackery, charlatanry.

ignorant, a. illiterate, inerudite unenlightened, uninformed, unlearned, untaught, uneducated, unlettered, nescient; quackish, charlatanic. Antonyms: educated, instructed, schooled, trained, proficient, learned.

ignorantly, adv. unknowingly, unconsciously, inadvertently, unwittingly.

ignorant person. ignoramus, illiterate.

ignore, v. disregard, slight, connive, overlook.

ill, a. ailing, sick, unwell; evil, unfavorable, adverse, bad.

ill at ease. uneasy, uncomfortable, anxious.

ill-boding, a. ominous, inauspicious.

illegal, a. illicit, unlawful, contraband, unlicensed, illegitimate.

illegality, n. unlawfulness, illegitimacy.

illegitimate, a. bastard, adulterine; illegal, illicit; spurious.

illegitimate, v. illegitimatize, bastardize.

illiberal, a. ungenerous, parsimonious, stingy; narrow-minded, bigoted.

illiberality, n. parsimony, stinginess; narrow-mindedness, bigotry, intolerance.

illicit, a. prohibited, unlawful.

illness, n. malady, sickness, disease.

illogical, a. fallacious, sophistical, unsound.

illusion, n. mockery, hallucination, chimera, phantasm, delusion, glamour.

illusive, a. delusive, illusory, chimerical, mocking.

illustrate, v. elucidate, picture, demonstrate, exemplify.

illustration, n. elucidation, exemplification; comparison, example, simile.

ill-will, n. malice, resentment, grudge, rancor, malevolence, antipathy, hatred.

image, n. statue; effigy, figure; ikon, eikon; idol.

image breaker. iconoclast, idoloclast, vandal.

image breaking. iconoclasm, vandalism.

image worship iconolatry, iconoduly.

imaginary, a. fancied, visionary, chimerical, illusive, phantasmal.

imagination, n. fancy, conception, notion, conceit, figment, phantasm.

imagine, v. conceive, fancy; think, suppose, opine, apprehend.

imbecile, n. idiot, witling, fool.

imbecility, n. idiocy, fatuity, foolishness, amentia.

imbedded, a. enfonced.

imitate, v. copy, ape, counterfeit; personate, impersonate, mimic, simulate; parody, caricature.

imitation, n. copy, counterfeit; mimicry, impersonation, mimesis; pasticcio; parody, travesty, burlesque; onomatopoeoea.

imitative, a. apish, copying, mimicking, mimetic; onomatopoetic.

imitator, n. copyist, follower, mimic, mime, ape, echo, impersonator.

immanence, n. inherence, indwelling.

immanent, a. inherent, indwelling.

immature, a. undeveloped, embryonic, crude, unripe, premature, untimely.

immediately, adv. instantly, forthwith, directly, straightway, at once, now, instanter. Antonyms: hereafter, by and by, after a while.

immense, a. vast, infinite, illimitable, immeasurable.

immerse, v. submerge, plunge into, dip, immerge, douse; engross.

immersed, a. submerged, plunged into; engrossed, absorbed, occupied.

immersion, n. submersion, immersing; engrossment, absorption.

immoderate, a. excessive, exorbitant, inordinate, intemperate, unrestrained.

immodest, a. indecorous, indelicate, shameless; lewd, unchaste, obscene.

immodesty, n. indecorum, indelicacy, impudicity; lewdness, unchastity, obscenity.

immoral, a. licentious, dissolute, vicious, profligate, loose, illicit, rakish.

immorality, n. vice, licentiousness, depravity, profligacy, obliquity.

immortality, n. deathlessness, athanasia; perpetuity.

immovable, a. fast, permanent, impassive, firm, steadfast.

impact, n. collision, forcible contact; force.

impart, v. communicate.

impartial, a. equitable, fair, disinterested, unbiased, unprejudiced.

impartiality, n. fairness, equity, disinterestedness, justice.

impassable, a. impenetrable, pathless, impervious.

impatient, a. restless, restive, fretful, eager, impetuous.

impede, v. retard.

impediment, n. obstacle, barrier, obstruction, stumblingblock.

impending, a. imminent, threatening.

impenetrable, a. impervious, imperforable.

impenitence, n. incontrition, obduracy, impenitency.

impenitent, a. incontrite, unrepentant, obdurate, incorrigible, recusant, relentless.

imperative, a. binding, compulsory, obligatory, imperious, peremptory.

imperfect, a. defective, faulty, deficient, undeveloped, abortive, fallible, frail, errable.

imperfection, n. defect, blemish, shortcoming, infirmity, foible, deformity, disfigurement, vice, frailty, fallibility.

imperious, a. despotic, magisterial, domineering, dictatorial, tyrannical, imperative.

imperishable, a. permanent, indestructible, enduring.

impersonate, v. personate; personify.

impersonation, n. personation, impersonating; impersonification.

impersonator, n. mimic, personator, mime, actor.

impertinent, a. irrelevant, inapplicable, impudent, saucy, rude, insolent, malapert, flippant.

impervious, a. impermeable, impenetrable, imperviable.

impetus, n. momentum, force, impulse, incentive.

impish, a. malignant.

implacable, a. unappeasable, vindictive, pitiless, irreconcilable.

implant, v. instill, inculcate, ingraft, infix.

implied, a. tacit, inferential.

implore, v. beseech, supplicate, entreat, obsecrate.

imploring, n. supplication, obsecration.

impolite, a. discourteous, inurbane, rude, uncivil, disrespectful, saucy, insolent, impertinent, churlish, brusque, unamiable, surly, gruff, boorish.

impoliteness, n. discourtesy, inurbanity, incivility, impertinence, insolence.

importance, n. moment, materiality, consequence; pomposity, self-importance.

important, a. momentous, material, essential; pompous, consequential.

impose upon. delude, dupe, deceive, victimize.

imposing, a. impressive, stately, majestic, august.

impossibility, n. impracticability.

impossible, a. impracticable, unfeasible, unattainable.

impostor, n. pretender, cheat, charlatan, mountebank, quack, deceiver.

imposture, n. fraud, imposition, charlatanism, deception.

impracticability, n. unfeasibility.

impracticable, a. impossible, unfeasible.

impregnate, v. fecundate.

impregnation, n. fecundation.

imprison, v. incarcerate, immure.

imprisonment, n. incarceration, durance, immurement, duress, confinement, commitment.

impromptu, a. improvised, offhand, extempore, extemporaneous.

improper, a. indecorous, unseemly, indecent, inappropriate, wrong, solecistic.

impropriety, n. unsuitableness, unfitness, indecorum, barbarism, solecism.

improve, v. amend, ameliorate, rectify, better, mend; utilize, use; gain, get better.

improvement, n. betterment, amelioration; meliorism; utilization.

improving, a. ameliorative, beneficial, amending.

impudence, n. insolence, impertinence, effrontery, rudeness.

impudent, a. insolent, impertinent, flippant, pert, brazen, saucy.

impulse, n. motive, incentive; impulsion, impetus.

impulsive, a. passionate, capricious, hasty; impellent, propulsive.

impure, a. tainted, defiled, contaminated, polluted, vitiated, infected; adulterated, alloyed, sophisticated; unchaste, lewd, indelicate, indecent; barbarous, vulgar, hybrid.

impurity, n. defilement, contamination, taint, pollution; adulteration, alloy, sophistication; unchastity, lewdness, indecency, indelicacy; pl. garblings, garbles.

inability, n. incompetence, impotence, incapability, incompetency, inefficiency, disability.

in a body. altogether, en masse.

inaccuracy, n. inexactness, incorrectness, impropriety.

inaccurate, a. incorrect, inexact, erroneous, faulty, wrong.

inaction, n. inactivity, inertness, stagnation, idleness.

inactive, a. inert, motionless, quiescent, dormant, inoperative, sluggish, stagnant, dilatory, latent, passive, torpid.

inactivity, n. inaction, passivity, inertia, lethargy, dormancy, stagnation, torpor, latency, sloth, Fabian policy.

inadequate, a. insufficient, deficient; defective, incomplete, imperfect.

inappropriate, a. unsuitable, unbecoming, inapplicable.

inapt, a. irrelevant, unsuitable, inept, inapplicable.

inattention, n. inadvertence, abstraction, heedlessness, disregard, neglect, remissness.

inattentive, a. heedless, absent-minded, inadvertent, unmindful, careless.

inbeing, n. inherence.

inborn, a. congenital, inherent, innate, instinctive, ingenerate.

incapable, a. incompetent, disqualified, unfit, insusceptible.

incarnation, n. incarnification, Avatar; personification.

incautious, a. unwary, inconsiderate, indiscreet, thoughtless.

incense, n. Associated Words: thurible, censer, thurification, thurify, frankincense, cense, thurifer.

incentive, n. motive, spur, incitement, stimulus, inducement provocation.

incident, n. event, happening, episode, occurrence.

incidental, a. casual, accidental, oontingent, fortuitous; subordinate, collateral, accessory.

incite, v. instigate, stimulate, arouse, goad, spur, impel.

incitement, n. stimulus, instigation, incitation, spur, incentive.

incivility, n. discourtesy, rudeness, incomity, inurbanity, disrespect.

inclination, n. leaning, slant; tendency, propensity, proneness, penchant, predilection.

incline, n. slant, slope, ascent, descent, grade.—v. lean, tend, dispose.

inclose, v. surround, encircle, circumscribe, encompass, enclose.

inclosure, n. surrounding, closure, barrier, fence, corral, stockade.

include, v. comprise, comprehend, inclose.

inclusion, n. comprisal.

income, n. revenue, proceeds; tontine, annuity. Associated Word: fructuary.

incomparable, a. peerless, matchless, transcendent, inimitable unrivalled, unapproachable.

incompetent, a. inefficient, unqualified, incapable; inadequate; unfit, unsuited.

incomplete, a. unfinished, defective, imperfect, deficient, partial, inchoate.

incomprehensible, a. inconceivable, abstruse, unfathomable.

inconsiderate, a. thoughtless, heedless, inattentive, careless.

inconsistency, n. discordance, incoherence, contrariety, incompatibility.

inconsistent, a. disagreeing, incoherent, contradictory, discrepant, incompatible.

inconstancy, n. fickleness, mutability, variableness, instability.

inconstant, a. fickle, changeable, volatile, flighty, mercurial, variable.

inconvenient, a. unhandy, incommodious, inopportune, untoward.

incorrect, a. inaccurate, erroneous, inexact, wrong; ungrammatical, solecistic.

incorrectness, n. inaccuracy, inexactness, error; impropriety.

increase, v. augment, advance, enlarge; multiply, be prolific, wax; aggravate, enhance, extend, augment, intensify, exacerbate, amplify, magnify, heighten, accelerate.

increase, n. augmentation, accretion, increment, accession, amplification, addition, accrument.

increase of motion. acceleration.

incremate, v. cremate, incinerate.

incremation, n. cremation.

incumbent, a. obligatory, imposed, binding.

incumbrance, n. hindrance, impediment, incubus; mortgage, claim, lien.

incurable, a. insanable, irremediable, immedicable; irremedicable, irreparable.

indebtedness, n. obligation; debts, liabilities.

indecency, n. immodesty, indelicacy, shamelessness, obscenity, ribaldry, lewdness.

indecent, a. immodest, obscene, indelicate, shameless, ribald, lewd, unchaste.

indecision, n. vacillation, indetermination, irresolution, wavering, inconstancy.

indecisive, a. inconclusive, vacillating, hesitating, irresolute, wavering.

indefatigable, a. untiring, persistent, unremitting, sedulous, unflagging.

indefinite, a. vague, indeterminate, equivocal, ambiguous, inexplicit, inexact.

indelicacy, n. unrefinement, rudeness, indecorum, immodesty.

indelicate, a. unrefined, indecorous, immodest, unchaste, rude, vulgar.

indemnity, n. security, insurance; restitution, reimbursement, indemnification.

indentation, n. bruise, notch, depression, indenture, serrature, jag, engrailment, crenellation.

independence, n. freedom, self-government, liberty, autonomy; opulence, affluence.

independent, a. self-governing, autonomous; self-reliant; exclusive, irrespective; affluent.

Indian, n. (aboriginal American) red man; (of mixed blood) metisse, ladino, mestizo, guacho, griffe, mameluco, half-breed. Associated Words: tepee, wigwam, tomahawk, lodge, wickiup, sachemdom, pueblo, calumet, totem, totemism, powwow, roanoke, coup, gens, Manito, pogamoggan, potlatch, chinook, runtee, travail, travois, strouding.

Indian blanket. stroud.

Indian chief. sachem, sannup, sagamore, brave.

Indian child. papoose.

Indian money. wampum, seawan, suckanhock, colcol, peag, hiagua, kopkops.

Indian prince. Maharajah, Rajah.

Indian princess or queen. Rani, Ranee.

Indian woman. squaw, mahaly.

India rubber. caoutchouc.

indicate, v. designate, betoken, signify.

indication, n. designation, signifying; symptom, evidence, sign, token, manifestation.

indicator, n. (as in a hotel) annunciator.

indictment, n. accusation, charge, arraignment, crimination.

indifference, n. apathy, coolness, negligence, unconcern, nonchalance, insouciance; mediocrity, inferiority; neutrality, impartiality, disinterestedness.

indifferent, a. disinterested, unconcerned, nonchalant, perfunctory, apathetic, insouciant; neutral, impartial; mediocre, passable, tolerable.

indirect, a. roundabout, circuitous, tortuous.

indiscreet, a. unwise, imprudent.

indiscretion, n. unwisdom, folly, imprudence; misstep, lapse.

indisposed, a. averse, disinclined, unwilling, loath, reluctant; sick, ill, unwell.

indisposition, n. disinclination, averseness, reluctance, unwillingness.

indisputable, a. undeniable, incontestable, indubitable, incontrovertible.

indissolvable, a. indissoluble.

indocile, a. intractable, refractory, unruly.

indolence, n. idleness, laziness, indulgence, sloth, inactivity, faineance.

indolent, a. lazy, slothful, supine, dronish, listless.

inducement, n. incentive, incitement, motive, stimulus.

indulge, v. satisfy, gratify, luxuriate; humor, pamper, cocker; grant, allow, permit. Antonyms: mortify, deny, suppress, restrain.

indulgence, n. humoring, pampering, gratification; kindness, favor, lenity, forbearance; absolution. Antonyms: mortification, denial, restraint, non-indulgence.

indulgent, a. forbearing, kind, lenient, lax, merciful.

industrial science. technology, polytechnics.

industrious, a. assiduous, diligent, sedulous, persistent, hard-working. Antonyms: idle, indolent, inactive, lazy.

industry, n. assiduity, diligence, activity; labor, work, exertion, efforts.

indwelling, n. immanence, inherence.—a. immanent, inherent.

ineffective, a. ineffectual, unavailing, inefficacious.

inefficient, a. ineffective, inefficacious; slack, remiss, incompetent.

inelastic, a. inductile, inextensible, rigid.

inelasticity, n. inductility, inextensibility, rigidity.

ineligible, a. disqualified.

inequality, n. disparity, disproportion, unevenness, irregularity; unfairness, injustice; inequation.

inexcusable, a. unpardonable, indefensible, unjustifiable, unwarrantable.

inexhaustible, a. exhaustless.

inexorable, a. unyielding, relentless, implacable, unmovable, unrelenting.

inexperienced, a. untrained, unpractised, undisciplined, raw, unskilled.

inexpert, a. maladroit, unskillful, bungling.

inexpressible, a. ineffable, unspeakable, unutterable.

infallibility, n. inerrability.

infallible, a. inerrable, unerring, sure, certain, undeniable.

infamous, a. disreputable, ignominious, scandalous, opprobrious, odious, heinous.

infamy, n. disgrace, ignominy, odium, obloquy, opprobrium.

infancy, n. babyhood; minority, nonage, pupilage.

infant, n. baby; minor.

infantile paralysis. poliomyelitis.

infatuate, v. enamor, charm. Antonyms: repel, disgust, disillusionize.

infection, n. contagion, contamination, vitiation, pollution.

infectious, a. contagious, pestiferous, epidemic, vitiating.

infer, v. deduce, imply, gather.

inference, n. deduction, conclusion, illation, corollary.

inferior, a. poorer, lower, subordinate, menial, minor, mediocre, subaltern.

inferior, n. subordinate. Antonyms: peer, equal, superior.

inferiority, n. subordinacy, mediocrity, deficiency.

infidel, n. free-thinker, atheist, unbeliever, skeptic.

infirmity, n. See weakness.

inflammable, a. combustible, accendible; irascible, irritable, excitable.

inflammation, n. phlogosis; phlegmasia. Associated Words: phlogistic, phlogogenous, antiphlogistic, demulcent delitescence.

inflammatory, a. phlogistic; seditious, incendiary.

inflate, v. expand, enlarge, distend.

inflated, a. distended, blown up; bombastic, pompous, grandiloquent, declamatory.

inflation, n. distention, expansion.

inflection, n. modulation, accent.

inflexibility, n. rigidity, stiffness; firmness, pertinacity, obstinacy, steadfastness.

inflexible, a. unyielding, rigid, impliable; immovable, resolute, steadfast.

influence, n. sway, control; persuasion, restraint; authority, ascendency, prestige.

influence, v. move, persuade, induce, sway, control, prevail upon, actuate, impel.

informal, a. unceremonious, unconventional, easy, natural, unconstrained.

informality, n. unceremoniousness.

information, n. knowledge, intelligence, instruction; (Law) complaint, accusation.

infringe, v. violate, transgress; encroach, trespass, intrench.

infringement, n. transgression, violation, breach, encroachment, trespass, intrenchment.

in full. unabridged, at length.

ingenious, a. inventive, resourceful.

ingratitude, n. unthankfulness.

ingredient, n. constituent, element, component, part.

inhabitant, n. dweller, denizen, residentiary, resident, citizen. Antonyms: sojourner, pilgrim, visitor.

inherent, a. innate, adhering, inexistent, inborn, inalienable.

inheritable, a. hereditable.

inheritance, n. heritage, patrimony, legacy.

inhuman, a. savage, barbarous, fiendish, brutal, cruel.

inhumanity, n. cruelty, brutality, barbarity, mercilessness.

injection, n. immission, injecting; enema, clyster, lavement.

injure, v. damage, harm, hurt, impair, disfigure, maim, mar, wound.

injurious, a. hurtful, harmful, detrimental, pernicious, deleterious, baneful, noxious, maleficent, prejudicial; defamatory, derogatory, detractory.

injury, n. damage, detriment, harm, hurt, wound, impairment, mutilation, defacement, violation, lesion. Associated Words: vulnerable, vulnerability, invulnerable, invulnerability, inviolable, vulnific.

injustice, n. inequity, unfairness; grievance.

inkling, n. hint, intimation, allusion.

inkstand, n. standish.

inky, a. atramentous, atramental, atramentarious.

inlaid work. marquetry, parquetry, mosaic.

inland, a. interior, internal.

inlet, n. entrance, ingress; bay, recess, bight, estuary, cove, frith, bayou.

inmate, n. occupant.

inn, n. lodging house, tavern, hotel; cabaret, caravansary, khan.

innate, a. inborn, inherent, native.

inner, a. internal, interior; obscure, esoteric, innermost parts, recesses, penetralia, sanctuary.

innocence, n. blamelessness, guilelessness, guiltlessness, impeccability, inoffensiveness.

innocent, a. blameless, guileless, guiltless, impeccable, inoffensive, sinless, artless, inculpable, irreproachable, irreprehensible, inerrable, irresponsible, virtuous, unsophisticated.

inquiring, a. curious, inquisitive.

inquiry, n. question, query, interrogation; research, investigationm scrutiny.

inquisitive, a. inquiring, mousing, curious, intrusive, prying, meddlesome. Antonyms: indifferent, unconcerned, uninterested.

insane, a. demented, crazy, mad, deranged, delirious, dementate; paranoiac. Antonyms: sane, rational.

insane asylum. bedlam, bethlehem, madhouse, retreat.

insanity, n. dementia, alienation of mind, madness, lunacy, craziness, derangement, frenzy, delirium, mania, hallucination, aberration of mind, bedlamism; paranoia, monomania. Antonyms: sanity, rationality, lucidity. Associated Words: alienist, alienism.

insatiable, a. unappeasable; voracious, rapacious, omnivorous.

inscrutable, a. incomprehensible, inexplicable, unsearchable.

insect, n. Associated Words: entomology, entomologist, entomologic, chrsalis, pupa, cicada, cocoon, credpitaculum, entomophilous, entornophily, entomtaxy, entomotomy, insecticidal, insectifuge, insectile, larva, lepidopterist, larvarium, stridor, stridulate, stridulation, silphology, stridulatory, nymph, horismology, imago.

insect-eaters, n. pl. Insectivora, Entomophaga.

insect-eating, a. insectivorous, entomophagous.

insect powder. insecticide, pyrethrum, entomologic, chrysalis, pupa, cicada, cocoon, crepitaculum, entomophilous, entomophily, entomotaxy, entomotomy, insecticidal, insectifuge, insectile, larva, lepidopterist, larvarium, stridor, stridulate, stridulation, silphology, stridulatory, nymph, horismology, imago.

insect-eaters, n. pl. Insectivora, Entomophaga.

insect-eating, a. insectivorous, entomophagous.

insect powder. insecticide, pyrethrum.

insecure, a. risky, unsafe, precarious, rickety, unstable, dangerous.

insecurity, n. unsafely, risk, instability, precariousness.

insensibility, n. unconsciousness, torpor, coma, narcosis, lethargy, numbness, narcoma, insusceptibility, anaesthesia, stupefaction, stupor, carus.

insensible, a. unfeeling, numb, insensate, torpid, unimpressible, unsusceptible, unconscious; imperceptible, gradual, imperceivable.

inseparable, a. indivisible, indissoluble.

insert, v. interpolate, intercalate, interject, ingraft, inosculate.

insertion, n. interjection, interpolation, intercalation, inosculation.

inside, a. internal, inner, interior.

insides, n. pl. entrails; penetralia, recesses.

insight, n. discernment.

insignificance, n. unimportance, pettiness, immateriality, triviality, inanity.

insignificant, n. meaningless; unimportant, immaterial, petty, trivial, paltry.

insincere, a. disingenuous, dissembling, false, hypocritical, affected, deceitful.

insincerity, n. duplicity, disingenuousness, hypocrisy, dissimulation.

insinuation, n. innuendo, intimation; ingratiation.

insist, v. persist, press, urge, contend.

insistence, n. persistence, pertinacity, importunity, urgency, contention, instance.

insnare, v. ensnare, entrap, seduce, inveigle, allure, entangle.

insolation, n. sunstroke, siriasis, sun bath.

insolence, n. impudence, contumely, impertinence, contumacy, effrontery, disrespect.

insinuation, n. innuendo, intimation; ingratiation.

insist, v. persist, press, urge, contend.

insistence, n. persistence, pertinacity, importunity, urgency, contention, instance.

insistent, a. persistent, importunate, insisting.

insnare, v. ensnare, entrap, seduce, inveigle, allure, entangle.

insolation, n. sunstroke, siriasis; sun bath.

insolence, n. impudence, contumely, impertinence, contumacy, effrontery, disrespect.

insolent, a. impudent, contumelious, overbearing, disrespectful contemptuous.

insoluble, a. indissoluble; unexplainable, insolvable, inexplicable.

inspect, v. examine.

inspiration, n. inhalation (breathing in); divine afflatus, theopneusty.

inspiring, a. inspiriting, elevating, promethean.

in spite of. notwithstanding, despite, nevertheless.

install, v. instate, induct.

installation, n. induction.

instance, n. persistency, request, solicitation, urgency; example, case, illustration.

instantly, adv. immediately, forthwith, at once, instanter, urgently, persistently.

instep, n. metatarsus, acrotarsium.

instruct, v. teach, indoctrinate, edify, enlighten, coach.

instruction, n. nurture, tuition, teaching, information, indoctrination, inculcation, education, admonition; edification, enlightenment; propaedeutics.

instructive, a. edifying, didactic, preceptive, mentorial; propaedeutic.

instructor, n. teacher, preceptor, tutor, master, coach, mentor, counselor, monitor, trainer.

instrument, n. tool, utensil, implement; agent, means, medium.

insufferable, a. intolerable, unendurable; detestable, offensive.

insufficiency, n. deficiency, inadequacy.

insufficient, a. inadequate, deficient, incommensurate, lacking.

insult, n. indignity, affront.

insult, v. offend, affront, flout.

insulting, a. offensive, contemptuous, contumelious, scurrilous.

insurance, n. assurance, indemnity.

insure, v. assure, indemnify; underwrite.

insurgency, n. revolt, rebellion, insubordination, mutiny.

insurgent, a. rebellious, mutinous, insubordinate, insurrectionary.

insurgent, n. rebel, revolter, mutineer, insurrectionist.

intaglio, n. diaglyph. Antonym: cameo.

intelligence, n. knowledge, discernment, insight, acumen.

intelligent, a. clever, discerning, astute, bright, knowing, apt, sensible.

intemperance, n. excess, immoderation, debauchery.

intemperate, a. immoderate, excessive, unrestrained.

intend, v. design, purpose, propose, contemplate, plan.

intended, n. fiance (male), fiancee (female).

intense, a. extreme, excruciating.

intensify, v. aggravate, exacerbate, heighten.

intention, n. design, plan, purpose, aim.

intentional, a. deliberate, premeditated. Antonyms: unintentional, inadvertent, accidental.

intercede, v. mediate, interpose, propitiate.

intercession, n. mediation, interposition, propitiation.

intercessor, n. mediator, interceder, propitiator, make-peace.

interchange, n. reciprocation, reciprocity, permutation; alternation.

interest, n. concern; share, portion, part, participation; advantage, benefit, weal, behoof; usury. Antonyms: boredom, ennui, indifference, unconcern.

interested, a. concerned; prejudiced, partial. Antonyms: disinterested, unconcerned, bored.

interfere, v. clash, conflict; intermeddle, interpose, intervene.

interference, n. clashing, collision; intermeddling, interposition, intervention.

interlining, n. interlineation.

interloper, n. intruder, interferer.

intermediate, a. intervening, interjacent; interlocutory (Law).

intermittent, a. remittent, periodical, recurrent.

internal, a. inward, interior, inside, inner; esoteric; intrinsic; inherent.

interpret, v. construe, translate, render.

interpretation, n. rendering, rendition, translation; exegesis, exegetics, hermeneutics, isagogics, anagogics, dittology.

interrogation point. eroteme.

interval, n. interstice (space between); interim, meantime

intervening, a. intermediate, interjacent.

intervention, n. interference, interposition; mediation, intercession.

intestines, n. pl. entrails, bowels, inwards, guts; omentum, caul, vermiform appendix, colon, rectum, hindgut, enteron, caecum, ileum, ileus, volvulus, jejunum, duodenum, alimentary canal; chitterlings. Associated words: enterology, splanchnology, enterography, splanchnography, enteropathy, enteroplasty, enterotomy, enteralgia, enterolith, enteritis, intestinal, enteric, crypt, peristalsis, vermiculation, alvine, viscerate, visceration, eviscerate, evisceration, disembowel, disembowelment.

intolerable, a. insufferable, unendurable.

intolerance, n. bigotry, dogmatism, illiberality.

intolerant, a. bigoted, unforbearing, illiberal.

intrenchment, n. earthwork, fortification; encroachment, infringement, invasion, inroad.

intricacy, n. complication, entanglement, complexity.

intricate, a. complicated, entangled, involved, labyrinthian, mazy.

intrigue, n. conspiracy, machination, cabal, plot; amour (illicit love affair), liaison.

intrigue, v. plot, scheme, machinate, cabal.

intriguer, n. machinator, plotter, schemer, Figaro, intrigant, intrigante (female).

intriguing, a. scheming, Machiavelian, wily.

intrinsic, a. inherent, innate, real, genuine. Antonym: extrinsic.

introduction, n. preface, proem, exordium, prelude, prolegomenon, prologue, foreword; presentation; interpolation interposition, initiation.

introductory, a. preliminary, proemial, prefatory.

intrude, v. infringe, invade, encroach, obtrude, interlope.

intrusion, n. encroachment, obtrusion, infringement, interloping.

intrusive, a. obtrusive. Antonyms: unintrusive, unobtrusive, retiring.

intrust, v. commit, confide.

invade, v. infringe, encroach, trespass, intrench, trench.

invalid, a. null, void, of no efficacy; baseless, unfounded.

invalid, a. valetudinary.

invalid, n. valetudinarian.

invalidate, v. annul, abrogate, cancel, quash, nullify.

invalidation, n. nullification, abrogation, annulment.

invalidism, n. valetudinarianism.

invasion, n. irruption, foray, raid, aggression; violation, infringement, encroachment, intrenchment.

inveigle, v. wheedle, seduce.

inveiglement, n. wheedling, seduction.

investigate, v. probe, sift, examine.

investigation, n. examination, inquiry, research.

invidious, a. objectionable, offensive.

invincible, a. indomitable, unconquerable.

invisible, a. imperceptible, microscopic, evanescent.

invitation, n. bidding, call, summons.

invite, v. bid, ask, summon; allure, induce, entice.

invocation, n. prayer, supplication.

involuntary, a. uncontrollable, instinctive, automatic, compulsory, forced.

inwards, n. pl. entrails, intestines, bowels, guts; viscera; giblets, inmeats, umbles.

iota, n. scintilla, tittle, atom, mite, jot, whit, bit, particle.

Ireland, n. Erin, Emerald Isle.

iridescent, a. prismatic, nacreous.

iris, n. flower-de-luce, fleur-de-lis, flag.

Irish, a. Hibernian.

Irishman, n. Hibernian, Milesian, Teague, Pat, Paddy.

iron, v. smooth; mangle.

irons, n. pl. fetters, chains, handcuffs, shackles, manacles, hampers, gyves.

ironworker's pneumonia. siderosis.

irrecoverable, a. irretrievable.

irregular, a. inconformable, abnormal, anomalous, exceptional, unsymmetrical, unusual, erose, baroque, aberrant.

irregularity, n. inconformableness, abnormality, asymmetry, anomaly, aberration, intermittency.

irreligious, a. ungodly, impious, godless, sacrilegious, blasphemous, profane.

irresolute, a. wavering, vacillating, inconstant, fickle, double-minded.

irresolution, n. indecision, vacillation, inconstancy, fickleness.

irresponsible, a. unaccountable, unanswerable, unreliable.

irritable, a. irascible, fretful, spleeny, choleric, petulant, fiery, captious, splenetic.

irritate, v. intensify, stimulate; provoke, vex, annoy, offend, chafe.

isinglass, n. fishglue, ichthyocol, ichthyocolla; mica; carlock.

island, n. isle, eyot, holm, islet; atoll. Associated Words: insular, insularity, archipelago, lagoon, coral, maroon, marooner.

isolate, v. insulate, segregate, dissociate, detach, separate.

isolated, a. insulated, separate, solitary, segregated, sporadic.

isolation, n. insulation, segregation; loneliness, solitude.

issue, v. gush, disembogue; sally forth, debouch; proceed, emanate, ensue, follow, result.

Italian laborers. Associated Word: padrone.

Italian paste. macaroni, vermicelli.

itch, n. psora, scabies; prurigo; sycosis (barber's itch); eczema; pruriency.

itching, a. tingling, prurient.

ivory, n. Associated Words: eburnean, eburnine, eburin, eburnification, eburnation.

ivy, n. Associated Words: hederaceous, hederal, hederic, hederiferous, hederose.