Thesaurus — Synonyms & Antonyms

i

ich, ch, my ass, m'ass, muggins

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icebox

cool box, cooler, coolbox, chilly bin, esky

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Icelandic

Icelandish

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idea

image

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ideal

order ideal

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identical

indifferent, nondifferent, one and the same, self, undifferent

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identify

ID, clock, ken, to make someone, notice

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idiocy

idiocity, idiotacy, idiotcy, idioticalness, idiotery

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idiom

expression, form of words, idiotism, locution, phrase

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idiot

addle-brain, addlehead, addle pate, airhead, baboon

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idiotic

idiotish

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idol

pagod, pagoda

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iffy

dicey, dodgy, dubious, fishy, questionable

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ignoble

common, plebeian, vulgar

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ignoramus

dunce, jay, know-nothing, lack-latin, mumpsimus

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ignorant

benighted, cimmerian, foolish, clueless, ill-informed

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ignore

brush off, discount, disregard, dissemble, despise

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ill

bad, mal-, crank, crook, green about the gills

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illegal

illegal immigrant

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illegitimate

base, baseborn, base born, bastardly, extramarital

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illiterate

analphabetic, ignorant, uncharactered, unlettered, analphabet

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illness

sickness

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illuminate

enlighten, illumine, quill, shine, alight

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illuminated

alight, inlighted, lighted, lighty, lit

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illuminating

clarifying, explanatory, revelatory

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illumination

lumination

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image

picture, value

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imagine

ween

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imitation

copying, replication

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immeasurable

immensurable, unmeasurable

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immediate

present, nearby

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immediately

forthwith, now, right away, straightaway, tout de suite

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immobilize

halt, stop, arrest, draw up

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immortal

deathless, everlasting, undeadly, undying

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immortality

athanasy, deathlessness, eternal life, everlasting life

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immune

-proof, exempt, impenetrable, impermeable, impervious

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immunity

exemption, free pass, get out of jail free card

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immutable

bateless, fixed, inalterable, invariable, permanent

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impact

percussion

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impale

empierce, pierce, puncture, transpierce

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impassable

unpassable

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impeccable

flawless

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impediment

hindrance, obstruction, obstacle

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imperative

required

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imperial

in old money

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impersonator

imitator, mimic, mimicker

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impetuous

impulsive, hasty, rash, hotheaded, heady

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import

importancy, importance, meaning, purport, significance

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important

significant, weighty, key, big, central

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impose

enjoin, force, inflict, lay

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impossibility

castle in the air, pie in the sky, pipe dream

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impossible

unfeasible, nonpossible, unhappenable, unpossible

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impostor

impersonator

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impoverished

almsless, arm, badly off, bankrupt, beggared

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impregnate

get with child, inseminate, inwomb, knock up, settle

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impress

make an impression on, confiscate, impound, seize, sequester

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improper

unproper

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improv

impro

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improve

better, batten, enhance, amend, hone

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improvement

improval, amelioration

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impudence

cheek, sauciness, audacity, audaciousness, brashness

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impure

imperfect, tainted

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inability

unability

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inactive

dormant, abeyant, at rest, cessant, fallow

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inappropriate

improper, inadequate, out of line, out of place, unfit

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inbox

message

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inbred

indigenous

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incalculable

countless, incomputable, inestimable, noncalculable, uncalculable

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incapacitate

disable

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incestuous

incestual, incesty

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incidental

contingent, serendipitous

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incinerate

burn, burn away, burn down, burn up, burn to a crisp

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incite

abet, actuate, goose, send, light a fire under

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inclined

apt, bain, disposed, fain, forward

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include

add, admit, allow, bear, circumscribe

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incoherent

uncoherent, unintelligible, unrelated, disjointed, desultory

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incomprehensible

fathomless, unfathomable, unintelligible, abstruse, Chinese

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inconsistency

contrariety, deviation, difference, disagreement, disparity

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inconspicuous

discreet, improminent, inevident, inobtrusive, low-profile

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incorrigible

axiomatic, unfalsifiable, incurable

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increase

wax, go up, grow, soar, shoot up

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incredibly

unbelievably

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incriminate

accriminate, accuse, appeach, arraign, becry

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incurable

uncurable

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incursion

attack, movement

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indebted

beholden, obliged

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indefinite

vague

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independent

autonomous, free, self-standing, substantive, crossbencher

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indescribable

undescribable, ineffable, indefinable, indicible, inexpressible

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indeterminate

indeterminant

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indication

demonstration, evidence, mark, sign, proof

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indigenous

aboriginal, autochthonous, local, natural

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indiscriminate

promiscuous

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indistinct

dim, fuzzy, hazy, ill-defined, ill-marked

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individualism

solipsism

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indivisible

unsplittable

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Indonesian

Bahasa Indonesia

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indulge

baby, cocker, featherbed, mollycoddle, mother

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industry

businesses that produce goods

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inequality

difference, disparity, imparity, inequation, nonequivilence

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inevitable

unavoidable, impreventable, avoidless, fatal, foregone

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inevitably

ineluctably, inescapably, relentlessly, sure as a gun, sure as fate

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infallible

faultless, perfect, indefective, inerrant

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infancy

infanthood, babyhood, babyship

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inferior

BTEC, cheapie, cullionly, daddocky, less than

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inferiority

deteriority, netherness, raunch, suckage, suckiness

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infernal

Acherontic, Hadean, helly, hellish, Plutonic

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inferno

afterlife

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infidel

unbeliever, nonbeliever, non-believer, disbeliever, kafir

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infinite

bottomless, boundless, endless, limitless, unbottomed

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infinitely

incessantly, nonstop, utterly

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infinity

boundlessness, endlessness, infiniteness, infinitude, limitlessness

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infirm

crank, ill, sick, unwell

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inflated

bloated, bulging, expanded, filled, swelled

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inflexible

unflexible

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influx

instreaming, inrush

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inform

apprise, notify, name names, peach, snitch

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informal

not formal, ceremonious, not in accord with the usual regulations, suited for everyday use

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informant

consultant, abaddon, accuser, beefer, bewrayer

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informer

informant

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ingest

consume, discuss, get outside, partake, put away

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ingrained

radicated

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inhabitant

dweller, resident, denizen

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iniquity

baseness, corruption, defilement, degeneracy, degradation

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initial

incipient, inceptive, opening, beginning, commencing

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injurious

scathel, harmful, hurtful, defamatory, invidious

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injury

wound, scath, scathe, lesion, dere

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injustice

justicelessness, unjustice, wrength, wrong

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innate

connate, connatural, congenital, congenite, genetous

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inner

interior, internal

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innocence

blamelessness, cleanness, inculpability, innocency, guiltlessness

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innocent

blameless, clean, clean-handed, clean as a hound's tooth, clean as a whistle

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innovate

boldly go where no man has gone before, break new ground, novelize, pioneer

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innovative

innovatory, avant-garde, ahead of the curve, ahead of one's time, hip

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innumerable

countless, numberless, unnumbered, untold, unnumberable

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inopportune

unfit, untimely

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inquest

inquisition

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inquire

frain

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insane

5150, bananas, barking, barking mad, buggish

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inscription

epigraphy

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insect

bug

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insignia

insigne

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insignificant

base, contemptible, floccinaucinihilipilificatious, foolish, for the birds

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insipid

bland, cardboard, flaggy, flavorless, ingustible

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insomnia

sleeplessness

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inspection

examination, scrutiny

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inspire

beghast

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installment

investiture, investment, installation

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institution

establishment

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instruction

advice, counsel, education, indoctrination, information

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