unacceptableness unacceptable • unacceptably · · · Info · Definitions · Synonyms · Characters · · unacceptableness · · Text Latin · · Script 16 · · Length Definitions · · · (noun) unsatisfactoriness by virtue of not conforming to approved standards. Synonyms: unacceptability. · · Noun Definition 1 Synonyms · · · unacceptability · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075