sissy Sissu • sissyish · · · Info · Definitions · Synonyms · Characters · · sissy · · Text Latin · · Script 5 · · Length Definitions · · · (noun) a timid man or boy considered childish or unassertive. Synonyms: pantywaist, pansy, milksop, Milquetoast. · · Noun Definition 1 (adj) having unsuitable feminine qualities. Synonyms: effeminate, emasculate, epicene, cissy, sissified, sissyish. · · Adjective Definition 1 Synonyms · · · pantywaist · · Synonym 1 pansy · · Synonym 2 milksop · · Synonym 3 milquetoast · · Synonym 4 effeminate · · Synonym 5 emasculate · · Synonym 6 epicene · · Synonym 7 cissy · · Synonym 8 sissified · · Synonym 9 sissyish · · Synonym 10 Characters · · i latin small letter i U+0069 s latin small letter s U+0073 y latin small letter y U+0079