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unbelievable

 - 10 of 38 thesaurus results
Main Entry: unbelievable
Part of Speech: adjective
Definition: beyond the imagination

Synonyms:

astonishing, beyond belief, cockamamie, cockeyed, doubtful, dubious, far-fetched, fishy, flaky*, flimsy*, for the birds, full of holes, harebrained, implausible, impossible, improbable, incogitable, inconceivable, incredible, kooky, lamebrained, open to doubt, outlandish, past belief, phony, preposterous, questionable, reaching, scatterbrained, screwy, staggering, suspect, thick*, thin*, too much*, unconvincing, unimaginable, unsubstantial, unthinkable, weak, won't hold water, won't wash

Antonyms:

believable, credible, plausible, real
Main Entry: amazing
Part of Speech: adjective
Definition: astonishing

Synonyms:

awesome, fascinating, incredible, marvelous, prodigious, shocking, stunning, surprising, unbelievable, wonderful
Main Entry: fabulous
Part of Speech: adjective
Definition: amazing, wonderful

Synonyms:

10, A-1, A-OK, aces, astonishing, astounding, awesome, best, breathtaking, cool*, doozie, extravagant, fab, fantastic, fictitious, first-class, greatest, groovy*, immense, inconceivable, incredible, legendary, marvelous, mind-blowing*, out-of-sight, out-of-this-world, outrageous, peachy*, phenomenal, primo, prodigious, rad, remarkable, spectacular, striking, stupendous, super, superb, terrific, top drawer, tops, turn-on, unbelievable, unreal, wicked*

Antonyms:

common, normal, ordinary, simple
Main Entry: fantastic
Part of Speech: adjective
Definition: strange, different; imaginary

Synonyms:

absurd, artificial, capricious, chimerical, comical, crazy, eccentric, erratic, exotic, extravagant, extreme, fanciful, far-fetched, fictional, foolish, foreign, freakish, grotesque, hallucinatory, illusive, imaginative, implausible, incredible, insane, irrational, ludicrous, mad, misleading, nonsensical, odd, out of sight, outlandish, peculiar, phantasmagorical, preposterous, quaint, queer, ridiculous, singular, suppositious, unbelievable, unlikely, unreal, wacky*, weird, whimsical

Antonyms:

common, commonplace, conventional, customary, familiar, ordinary, plain, usual
Main Entry: far-fetched
Part of Speech: adjective
Definition: hard to believe

Synonyms:

bizarre, doubtful, dubious, eccentric, fantastic, fishy, forced, hard to swallow, illogical, implausible, improbable, incoherent, inconsequential, incredible, labored, preposterous, queer, recondite, strained, strange, suspicious, unbelievable, unconvincing, unlikely, unnatural, unrealistic

Antonyms:

believable, natural, plausible, realistic
Main Entry: flimsy
Part of Speech: adjective
Definition: unconvincing, implausible

Synonyms:

assailable, baseless, contemptible, controvertible, fallacious, false, feeble, frivolous, groundless, illogical, improbable, inadequate, inane, inconceivable, incredible, inept, lame, poor, puerile, superficial, thin, transparent, trifling, trivial, unbelievable, ungrounded, unpersuasive, unreasonable, unsatisfactory, unsubstantial, weak, weakly, wishful

Antonyms:

convincing, plausible, reasonable, serious, strong
Main Entry: implausible
Part of Speech: adjective
Definition: not likely

Synonyms:

doubtful, dubious, far out, farfetched, fishy, flimsy, for the birds, full of holes, impossible, improbable, inconceivable, incredible, obscure, problematic, puzzling, reachy, suspect, thin*, too much*, unbelievable, unconvincing, unreasonable, unsubstantial, weak, won't hold water, won't wash

Antonyms:

believable, likely, plausible, possibly, probably, reasonable
Main Entry: improbable
Part of Speech: adjective
Definition: not likely

Synonyms:

doubtful, dubious, fanciful, far-fetched, flimsy*, hundred-to-one, iffy, implausible, inconceivable, not expected, outside chance, questionable, rare, slim, slim and none, unbelievable, uncertain, unconvincing, unheard of, unimaginable, unlikely, unsubstantial, weak

Antonyms:

believable, likely, ostensible, plausible, possible, probable, tenable
Main Entry: inconceivable
Part of Speech: adjective
Definition: beyond reason, belief

Synonyms:

extraordinary, fantastic, imcomprehensible, implausible, impossible, improbable, incogitable, incredible, insupposable, mind-boggling, phony, rare, reachy, staggering, strange, thin*, unbelievable, unconvincing, unheard-of, unimaginable, unknowable, unlikely, unsubstantial, unthinkable, weak*, won't fly, won't wash

Antonyms:

believable, conceivable, fathomable, imaginable, reasonable
Main Entry: incredible
Part of Speech: adjective
Definition: beyond belief

Synonyms:

absurd, far-fetched, fishy, flimsy*, implausible, impossible, improbable, incogitable, inconceivable, insupposable, out of the question, outlandish, phony, preposterous, questionable, ridiculous, rings phony, suspect, thin*, unbelievable, unconvincing, unimaginable, unsubstantial, untenable, unthinkable
Notes: incredible means 'unbelievable' and incredulous means 'unbelieving'

Antonyms:

believable, credible, plausible, possible, realistic, tenable
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