The phonetic transcription of "unallowable" is /ˌʌn.əˈlaʊ.ə.bəl/ in British English and /ˌʌn.əˈlaʊ.ə.bəl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unallowable": impermissible, prohibited, unacceptable, forbidden, inadmissible.
Example usage of "unallowable": "That expense is unallowable on your tax return.". More examples on the page.