unbelievable

un·be·liev·able

adj \-ˈlē-və-bəl\

Definition of UNBELIEVABLE

: too improbable for belief <the plot is unreal and unbelievable>; also : of such a superlative degree as to be hard to believe <the destruction was unbelievable> <made an unbelievable catch in center field>

— un·be·liev·ably \-blē\ adverb

Examples of UNBELIEVABLE

1. <a completely unbelievable story about why there was lipstick on his collar>

First Known Use of UNBELIEVABLE

1548

Related to UNBELIEVABLE

Synonyms: fantastic (also fantastical), implausible, inconceivable, incredulous, incredible, uncompelling, unconceivable, unconvincing, unimaginable, unthinkable

Antonyms: believable, cogitable, conceivable, convincing, credible, creditable, imaginable, plausible, supposable, thinkable

Related Words: debatable, disputable, dodgy [chiefly British], doubtable, doubtful, dubious, dubitable, far-fetched, fishy, flimsy, questionable, shaky, suspect, suspicious, unlikely, unreasonable; hopeless, impossible; absurd, comical, farcical, laughable, ludicrous, outlandish, preposterous, ridiculous, risible, silly; indefensible, insupportable, untenable

Near Antonyms: likely, possible, probable; reasonable; certain, incontestable, indisputable, indubitable, questionless, sure, undeniable, undoubted, unquestionable

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Rhymes with UNBELIEVABLE

imperceivable, inconceivable, irretrievable, unconceivable