dinner jacket dinner hour • dinner knife · · · Info · Definitions · Synonyms · Characters · · dinner jacket · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) semiformal evening dress for men. Synonyms: dinner jacket, tux, tuxedo, black tie. · · Noun Definition 1 Synonyms · · · tux · · Synonym 1 tuxedo · · Synonym 2 black tie · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 j latin small letter j U+006A k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074