past master past • past participle · · · Info · Definitions · Characters · · past master · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) someone who was formerly a master. Synonyms: past master. · · Noun Definition 1 (noun) someone who has long and thorough experience in a given activity. Synonyms: past master. · · Noun Definition 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074