old boy old bailey • old-boyish · · · Info · Definitions · Synonyms · Characters · · old boy · · Text Common · · Latin · · Scripts 7 · · Length 3 · · Syllables Definitions · · · (noun) a familiar term of address for a man. Synonyms: old boy, old man. · · Noun Definition 1 (noun) a vivacious elderly man. Synonyms: old boy. · · Noun Definition 2 (noun) a former male pupil of a school. Synonyms: old boy. · · Noun Definition 3 Synonyms · · · old man · · Synonym 1 Characters · · space U+0020 b latin small letter b U+0062 d latin small letter d U+0064 l latin small letter l U+006C o latin small letter o U+006F y latin small letter y U+0079