The word "unacceptable" in English means: Not able to be accepted; considered to be not good enough., Too bad to be allowed to continue..
The phonetic transcription of "unacceptable" is /ˌʌnəkˈseptəbl/ in British English and /ˌʌnəkˈseptəbl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unacceptable": inadmissible, intolerable, offensive, unsatisfactory.
Example usage of "unacceptable": "His behavior at the party was unacceptable.". More examples on the page.