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unbelievable
adjective
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How to pronounce unbelievable:

Definition of unbelievable:

unbelievable (adjective):
extremely impressive
too improbable for belief
beyond belief or understanding.
of such a superlative degree as to be hard to believe

Synonyms for unbelievable:

flimsymarvellousimplausibleridiculousmarvelousincredulousunthinkabletallunreasonableincredible
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Antonyms for unbelievable:

veraciousdependableconvincingundeniableuninterestingprosaicindisputableunsurprisingbadtrue
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Other 5-syllable words like unbelievable

Here are some other common words that have 5 syllables, like unbelievable does.

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