passerby Passer • passer-by · · · Info · Definitions · Synonyms · Characters · · passerby · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) a person who passes by casually or by chance. Synonyms: passer-by, passer. · · Noun Definition 1 Synonyms · · · passer-by · · Synonym 1 passer · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079