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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

involve
entail, require, necessitate, implicate, embroil
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involved
engaged, participating, connected, implicated, embroiled
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involvement
participation, engagement, connection, association, inclusion
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inward
withinward, inwards
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iodine
I, iodin, atomic number 53, tincture of iodine
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ion
charged particle
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Iona
Ione
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iota
shred, whit, smidge, tittle, smidgen
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Iowa
ioway
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IP address
internet address, network address, IP, numeric address
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iPad
tablet, tablet computer, touchscreen tablet, slate
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iPhone
Apple phone, Apple smartphone, iOS phone
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IPO
initial offering, initial public offering
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iPod
mp3 player, music player
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IQ
intelligence quotient, intelligence score
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Iran
Persia, Islamic Republic of Iran
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Iranian
persian, iranic
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Iraq
Republic of Iraq
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Iraqi
Iraki
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irascible
irritable, short-tempered, testy, cantankerous, hot-tempered
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ire
wrath, anger, fury, rage, indignation
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Ireland
the Emerald Isle, Republic of Ireland, Southern Ireland, Eire, Free State
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iridium
Ir, atomic number 77
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iris
fleur-de-lis
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Irish
Hibernian, Gaelic, Celtic
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Irish twins
back-to-back siblings
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IRL
in person, offline, face to face, in the flesh
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Irma
Erma, Irmgard, Irmina
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iron
press, Fe, iron out, branding iron, smoothing iron
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ironic
paradoxical, incongruous, ironical
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irony
sarcasm, satire
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irrational
illogical, unreasonable, nonsensical, unfounded, baseless
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irregular
erratic, sporadic, inconsistent, abnormal, singular
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irregularity
constipation, abnormality, unregularity, geometrical irregularity
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irrelevant
unrelated, inapplicable, extraneous, unconnected, inapposite
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irreplaceable
unreplaceable
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irresistible
overpowering
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irresponsibility
irresponsibleness
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irresponsible
reckless, negligent, careless, unreliable, thoughtless
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irrevocable
irrevokable
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irrigate
water
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irrigation
watering
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irritability
temper, choler, crossness, fussiness, petulance
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irritable
atrabilious, bad-tempered, bilious, brainish, cantankerous
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irritate
bother, devil, gravel, rag, annoy
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irritating
annoying, aggravating, bothersome, vexing, grating
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irritation
annoying, temper, discomfort, annoyance, provocation
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Isaac
Ike, Zac, Isaak, Itzhak, Izaak
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Isabel
Bella, Belle, Izzy, Sabel, Elizabeth
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Isabella
Bella, Belle, Izzy, Isabela, Isobel
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Isabelle
Bella, Belle, Ellie, Izzy, Elizabeth
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Isaiah
Izzy, Zay, Isaias, Yeshayahu
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ish
roughly, approximately, sort of
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Isla
Ayla, Islay
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Islam
the Islamic faith, the Muslim faith, the Muslim religion
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Islamic
Muslim, Moslem
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Islamist
Mohammedan, Muslimist, Muslimistic
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island
islet, atoll, key, cay, isle
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isle
islet
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ism
doctrine, ideology, creed, movement, -ology
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Ismail
Ishmael, Ismael
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ISO
disc image
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isolate
separate, segregate, seclude, cut off, quarantine
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isolated
remote, secluded, solitary, detached, cut off
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isolation
seclusion, separation, solitude, segregation, remoteness
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Israel
State of Israel, Izzy, Yisrael
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Israeli
Israeli citizen, national of Israel
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Issa
Isa, Jesus, Yeshua
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issue
problem, matter, topic, subject, concern
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issuing
releasing, distributing
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ISTG
I swear, no cap, honestly, seriously
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it is what it is
that's life, such is life, nothing to be done, c'est la vie
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Italian
Italish
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Italy
Italian Republic, Italia
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itch
yuck, yuik, yeuk
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itching
itch, itchiness
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item
thing, article, object, unit, piece
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itinerant
gypsy, gipsy
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itinerary
path, route, travel plan, travel guidebook
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itself
itsself
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IV
drip, intravenous line, infusion, cannula
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Ivan
Vanya, Iwan, Jean, John, Juan
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ivory
cream, off-white, bone-white
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ivy
hedera, creeper
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Ivy League
elite, preppy, blue-blooded
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