Part of speech:
(Informal) Wonderful, impressive, extraordinary, etc.
Trembling or quivering; tremulous:
Of questionable character:
That causes one to stagger; astonishing; overwhelming; specif., astonishingly great
So clearly untrue or unreasonable as to be laughable or ridiculous
Lacking intensity or strength; faint:
Causing wonder; surprising, astonishing, or extraordinary
So astounding as to suggest a miracle; phenomenal:
Not conceivable in the imagination.
Not likely to happen.
Of dubious morality or respectability:
Difficult to believe; not plausible.
Of or like a fable; imaginary, fictitious, or legendary
Having or showing little sense; foolish:
Extremely difficult to deal with or tolerate:
Expressive of disbelief:
(Obs.) With the first last and the last first; inverted
Worthy of remark or notice
Light, thin, and insubstantial:
Lacking force or substance; flimsy:
Admirable or very good; excellent or splendid:
Foolish; ridiculous; absurd:
Find another word for unbelievable. In this page you can discover 57 synonyms, antonyms, idiomatic expressions, and related words for unbelievable, like: incredible, shaky, dubious, inconceivable, beyond-belief, staggering, doubtful, palpably false, likely, unlikely and absurd.