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Thesaurus — Synonyms & Antonyms

Find synonyms and antonyms for any English word. Our free thesaurus ranks related words by how commonly they're actually used, so you find the right word faster — not just a long list.

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“I” Words

i
me, myself, ich, ch, my ass
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ice
frozen water, frost
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icebox
cool box, cooler, coolbox, chilly bin, esky
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Icelandic
Icelandish
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icon
symbol, emblem, legend, luminary, pictogram
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iconic
emblematic, legendary, quintessential, definitive, symbolic
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ID
primal instinct, instinctual drives
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idea
thought, notion, concept, plan, impression
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ideal
perfect, optimal, best, model, exemplary
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identical
indistinguishable, matching, alike, duplicate, exact
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identification
ID, credentials, recognition, verification, naming
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identify
name, pinpoint, determine, spot, detect
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identity
individuality, selfhood, sense of self, character, personality
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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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if
provided that, supposing, assuming, in case, on condition that
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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
overlook, brush aside, snub, brush off, discount
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ill
sick, unwell, poorly, under the weather, ailing
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illegal
unlawful, illicit, criminal, prohibited, banned
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illegitimate
base, baseborn, base born, bastardly, extramarital
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Illinois
Illiniwek, Illini
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illiterate
analphabetic, ignorant, uncharactered, unlettered, analphabet
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illness
disease, ailment, malady, ill health, disorder
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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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illustrated
pictorial, graphic, pictured, decorated, illuminated
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Im
irregular galaxy, Irr galaxy, Magellanic irregular
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image
photo, photograph, illustration, depiction, representation
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imagination
creativity, inventiveness, ingenuity, fancy, vision
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imagine
picture, visualise, envision, envisage, conceive
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imitation
copying, replication
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immeasurable
immensurable, unmeasurable
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immediate
instant, instantaneous, prompt, swift, quick
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immediately
straight away, promptly, without delay, forthwith, now
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immigration
migration, relocation, resettlement, settlement, influx
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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
invulnerable, unaffected, insusceptible, inoculated, shielded
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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
collision, crash, blow, knock, smash
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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
royal, regal, sovereign, majestic, monarchical
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impersonator
imitator, mimic, mimicker
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impetuous
impulsive, hasty, rash, hotheaded, heady
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implement
execute, carry out, enact, apply, tool
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implementation
execution, rollout, application, realisation, carrying out
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import
bring in, introduce, ship in, source, importation
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importance
significance, value, weight, consequence, worth
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important
major, significant, weighty, key, big
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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
unachievable, unattainable, unworkable, hopeless, out of the question
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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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impressed
awed, wowed, admiring, amazed, moved
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impression
notion, perception, imprint, mark, indentation
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impressive
remarkable, striking, outstanding, admirable, stunning
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improper
unproper
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improv
impro
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improve
upgrade, boost, develop, advance, better
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improved
enhanced, better, upgraded, refined, advanced
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improvement
enhancement, upgrade, progress, advance, betterment
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improving
edifying, instructive, educational, uplifting, wholesome
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impudence
cheek, sauciness, audacity, audaciousness, brashness
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impure
imperfect, tainted
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in
inside, within
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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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Inc
incorporated, corporation, corp, limited company
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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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incident
event, occurrence, happening, episode, affair
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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
take in, add, admit, allow, bear
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included
covered, built-in, bundled, provided, incorporated
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including
such as, like, for example, as well as, comprising
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incoherent
uncoherent, unintelligible, unrelated, disjointed, desultory
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income
earnings, revenue, pay, salary, wages
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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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incorporated
chartered, registered, constituted
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incorrigible
axiomatic, unfalsifiable, incurable
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increase
expand, climb, escalate, multiply, boost
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increasing
growing, rising, climbing, expanding, mounting
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increasingly
progressively, more and more, ever more
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incredible
amazing, extraordinary, unbelievable, astonishing, remarkable
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incredibly
extremely, remarkably, exceptionally, astonishingly, amazingly
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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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indeed
certainly, truly, absolutely, definitely, in fact
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indefinite
vague
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independence
freedom, autonomy, self-reliance, self-sufficiency, self-government
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independent
self-reliant, self-sufficient, self-governing, sovereign, separate
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indescribable
undescribable, ineffable, indefinable, indicible, inexpressible
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indeterminate
indeterminant
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index
directory, listing, catalogue, guide, key
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India
Bharat, Hindustan, Republic of India
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Indian
Desi, South Asian, Hindustani
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indicate
show, signal, denote, suggest, demonstrate
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indication
demonstration, evidence, mark, sign, proof
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indigenous
native-born, endemic, original, home-grown, aboriginal
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indiscriminate
promiscuous
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indistinct
dim, fuzzy, hazy, ill-defined, ill-marked
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individual
person, human being, human, soul, someone
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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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industrial
manufacturing, factory, mechanized, industrialized, production
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industry
sector, trade, business, field, commerce
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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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infected
contaminated, diseased, septic, tainted, poisoned
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infection
contagion, contamination, illness, disease, blight
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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
measureless, interminable, inexhaustible, untold, immeasurable
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