attache attachableness • attached · · · Info · Definitions · Synonyms · Characters · · attache · · Text Latin · · Script 7 · · Length Definitions · · · (noun) a specialist assigned to the staff of a diplomatic mission. · · Noun Definition 1 (noun) a shallow and rectangular briefcase. Synonyms: attache case. · · Noun Definition 2 Synonyms · · · attache case · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 t latin small letter t U+0074