unacceptable

== English == === Etymology === From Middle English unacceptabylle, equivalent to un- +‎ acceptable. === Pronunciation === (UK) IPA(key): /ˌʌn.ækˈsɛp.tə.bl̩/, /ˌʌn.əkˈsɛp.tə.bl̩/, [ˌɐn.ækˈsɛp.tə.bɫ̩], [ˌɐn.əkˈsɛp.tə.bɫ̩] (US) IPA(key): /ˌʌn.ækˈsɛp.tə.bl̩/, /ˌʌn.əkˈsɛp.tə.bl̩/, [ˌɐn.ækˈsɛp.tə.bɫ̩], [ˌɐn.ɪ̞kˈsɛp.tə.bɫ̩] === Adjective === unacceptable (comparative more unacceptable, superlative most unacceptable) Unsatisfactory; not acceptable. (linguistics) Not conforming to accepted usage. ==== Synonyms ==== inacceptable (less common), out of bounds ==== Antonyms ==== acceptable ==== Derived terms ==== unacceptably unacceptableness ==== Translations ==== === Noun === unacceptable (plural unacceptables) Something that is not acceptable.