Thesaurus — Synonyms & antonyms

oaf

galoot, imbecile, lout, moron, fool

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oak

hardwood, timber

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Oakley

Oak, Oaks, Oaklee, Oakleigh, Oakly

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oasis

haven, refuge, sanctuary

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oath

promise, affirmation, profanity, curse, expletive

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oatmeal

burgoo, rolled oats

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oats

haver

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Oaxaca

Oaxaca City

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ob

obstetrics, tocology, midwifery

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OBE

out-of-body experience, astral projection

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obedience

submission, hearsomeness

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obediently

yieldingly

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obelisk

aguilla, pylon, stela

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obese

overweight, corpulent, stout

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obesity

overweight (as a related state)

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obey

defer to, toe the line, hearken, mind, accede

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obfuscate

obscure, muddy, cloud, confuse, befog

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obit

obituary, necrology

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obituary

obit, necrology

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object

thing, item, article, entity, artifact

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objection

protest, dissent, opposition, exception, demurral

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objective

unbiased, impartial, factual, goal, aim

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objectivity

objectiveness

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obligation

duty, responsibility, commitment, requirement, liability

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obligatory

bounden, mandatory, incumbent

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oblige

hold, accommodate, bind, compel, obligate

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obliged

indebted, beholden, compelled, bound, thankful

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oblique

slash

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oblivion

forgetness

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oboe

hautboy, hautbois

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obscene

adult, bawdy, blue, cheeky, dirty

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obscenity

filth, smut, lewdness, salacity, bawdiness

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obscure

little-known, hidden, cryptic, murky, veiled

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obscurity

obscureness, abstruseness, reconditeness

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obsequious

fawning, servile, sycophantic, ingratiating

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observation

remark, comment, watching, scrutiny, note

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observatory

planetarium, star-gazing station, observatorium

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observe

watch, monitor, notice, obey, remark

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observed

noticed, noted, witnessed, watched, recorded

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observer

onlooker, spectator, watcher, bystander, witness

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observing

watchful, attentive, perceptive, vigilant, noticing

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obsess

fixate

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obsessed

fixated, preoccupied, consumed, infatuated, gripped

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obsession

fixation, preoccupation, compulsion, mania, fascination

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obsessively

compulsively, obsessionally

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obsolete

anachronistic, antediluvial, antediluvian, antiquated, antique

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obstacle

barrier, hindrance, impediment, stumbling block, hurdle

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obstetrician

accoucheur

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obstetrics

OB, tocology, midwifery

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obstinacy

conviction, insistence, recalcitrance, stubbornness, tenacity

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obstinate

persistent, stubborn, pertinacious, adamant, ardent

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obstruct

barricade, block, choke, clog, close off

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obstruction

obstacle, barrier, barricade, block, hindrance

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obtain

get, acquire, gain, secure, procure

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obtained

acquired, secured, procured, got, gained

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obtuse

obtuse-angled, blunt, dull

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obvious

clear, evident, apparent, plain, self-evident

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obviously

certainly, of course, undoubtedly, naturally, clearly

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occasion

event, instance, function, affair, opportunity

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occasional

infrequent, sporadic, intermittent, irregular, periodic

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occasionally

periodically, infrequently, at times, ever and anon, every once in a while

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occult

supernatural, eclipse, occult arts

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occupancy

occupation, tenancy, moving in

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occupant

occupier

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occupation

employment, trade, career, business, pursuit

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occupational

job-related, work-related, vocational, career-related

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occupied

engaged, taken, in use, filled, tied up

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occupy

inhabit, reside in, fill, engage, absorb

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occur

come about, arise, transpire, crop up, materialise

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occurred

happened, took place, arose, came about

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occurrence

affair, befalling, episode, event, goings-on

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occurring

happening, arising, taking place, appearing, unfolding

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ocean

sea, the deep, the high seas, open water, the seven seas

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oceanic

pelagic

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octagon

8-gon

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octave

musical octave

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octopus

polypus

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ocular

optic, visual, ophthalmic, eyepiece

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odd

strange, unusual, peculiar, weird, curious

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oddball

odd duck, strange fish, queer fish, weirdo

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oddity

anomaly, curiosity, peculiarity, quirk, freak

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oddly

strangely, curiously, peculiarly, unusually

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odds

chances, likelihood, probability

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Odia

Oriya

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Odin

All-Father, Wotan, Woden, Odhin, Odhinn

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odious

repugnant, repellent, loathsome, detestable, abhorrent

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odor

smell, scent, aroma, odour, olfactory property

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odorless

odourless, inodorous

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odour

smell, scent, aroma, stench, fragrance

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odyssey

quest, expedition, trek, voyage

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OED

Oxford English Dictionary

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off

deactivated, inoperative, powered down, shut down, aside

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offence

crime, misdemeanour, wrongdoing, violation, transgression

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offend

upset, annoy, displease, abuse, affront

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offender

lawbreaker, culprit, wrongdoer, perpetrator, transgressor

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offense

violation, transgression, misdeed, wrongdoing, breach

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offensive

insulting, rude, hurtful, disrespectful, objectionable

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offer

present, propose, put forward, tender, extend

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offering

gift, contribution, donation, present, product

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offhand

extemporaneous, off-the-cuff

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office

workplace, workspace, bureau, headquarters, premises

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officer

official, officeholder, administrator, functionary, agent

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official

authorized, formal, certified, authoritative, accredited

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officially

formally, legally, authoritatively, properly, on the record

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officiate

function

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offline

disconnected, unplugged, off the grid, in person

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offload

unload, unlade

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offset

cancel out, neutralize, negate, counterweight, make up for

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offshore

seaward, overseas, foreign, marine, external

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offside

offsides

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offspring

young, progeny, descendants, issue, brood

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oft

often, frequently, oftentimes, ofttimes

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often

frequently, regularly, repeatedly, commonly, usually

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oftentimes

often, frequently, oft, ofttimes

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OG

original, authentic, old-school, real deal

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ogre

monster, devil, demon, fiend

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OH

ah, ooh, wow, gosh, oh dear

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ohana

family, kin, clan, ohana unit, granny flat

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OHS

occupational health and safety, workplace health and safety, WHS, OH&S

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oi

hey, oy

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oil

petroleum, lubricant, fat, grease, crude oil

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oink

grunt

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ointment

salve, unguent, pomatum, pomade, pomate

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OK

all right, fine, acceptable, satisfactory, adequate

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okey

OK, O.K., okay, okeh

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okra

bandikai, bhindi, gumbo, ladyfinger

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Oktoberfest

Octoberfest

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OL

open circuit

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old

mature, antique, vintage, long-standing, ancient

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old-fashioned

outdated, dated, antiquated, quaint, traditional

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olden

historical, eldern

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older

elder, senior, more aged, longer-established, earlier

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oldest

eldest, first-born, senior, most senior

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oldie

classic hit

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Olds

folks, parents, elders, seniors, oldies

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ole

bravo, hooray

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olfactory

olfactive

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Olga

Olya, Helga, Oleg, Olha

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oligarch

magnate, tycoon, plutocrat, baron, ruler

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oligarchy

plutocracy, autocracy, cabal rule, ruling class, junta

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olive

olive-green

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Olivia

liv, livvy, ollie

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Olivier

Oli, Oliver, Oliviero, Olivio

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Olympiad

Olympics

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Olympian

Olympic

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Olympic

world-class, top-level, elite, Olympian

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Olympics

Olympic Games, the Games, Summer Olympics, Winter Olympics, Olympiad

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Omar

umar

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ombudsman

adjudicator, arbiter, mediator, complaints commissioner, watchdog

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omega

finale, culmination, endpoint, last letter

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