Definition of "unacceptable"
unacceptable
/ˌʌn.æk.ˈsɛp.tə.bl̩/
adjective
comparative more unacceptable, superlative most unacceptable
(linguistics) not conforming to accepted usage
noun
plural unacceptables
comparative more unacceptable, superlative most unacceptable
(linguistics) not conforming to accepted usage
plural unacceptables