Far-fetched , beyond belief, and difficult to believe are synonyms for unbelievable; believable and credible are antonyms of unbelievable. On this page, you will find 16 another word for unbelievable.
The magician's tricks were unbelievable.
Her story sounded absolutely unbelievable.
He achieved an unbelievable world record.
That film had unbelievable special effects.