passe-partout passenger mileage • passer-by · · · Info · Definitions · Synonyms · Characters · · passe-partout · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) key that secures entrance everywhere. Synonyms: passkey, master key, master. · · Noun Definition 1 (noun) a mounting for a picture using gummed tape. · · Noun Definition 2 Synonyms · · · passkey · · Synonym 1 master key · · Synonym 2 master · · Synonym 3 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 e latin small letter e U+0065 o latin small letter o U+006F 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 u latin small letter u U+0075