forty-five forty-first • Forty-five · · · Info · Definitions · Synonyms · Characters · · forty-five · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) a .45-caliber pistol. · · Noun Definition 1 (adj) being five more than forty. Synonyms: 45, xlv. · · Adjective Definition 1 Synonyms · · · 45 · · Synonym 1 xlv · · Synonym 2 Characters · · - hyphen-minus U+002D e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079