wiseacre wise • wiseacred · · · Info · Definitions · Synonyms · Characters · · wiseacre · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an upstart who makes conceited, sardonic, insolent comments. Synonyms: wise guy, smart aleck, wisenheimer, weisenheimer. · · Noun Definition 1 Synonyms · · · wise guy · · Synonym 1 smart aleck · · Synonym 2 wisenheimer · · Synonym 3 weisenheimer · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 w latin small letter w U+0077