The word "unbelievable" in English means: Difficult to believe; very surprising or improbable., Extremely good or impressive..
The phonetic transcription of "unbelievable" is /ˌʌn.bɪˈliː.və.bəl/ in British English and /ˌʌn.bɪˈliː.və.bəl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unbelievable": improbable, amazing, fantastic, extraordinary, incredible.
Example usage of "unbelievable": "The story was unbelievable, but true.". More examples on the page.