Synonyms of unbelievable in English:

unbelievable


See definition of unbelievable

adjective

1‘your audacity is simply unbelievable’

SYNONYMS
incredible, beyond belief, difficult to believe, scarcely credible, inconceivable, unthinkable, unimaginable
unconvincing, far-fetched, implausible, improbable, impossible
informal hard to swallow, mind-boggling, mind-blowing
ANTONYMS

believable, credible