killjoy killinite • killogie · · · Info · Definitions · Synonyms · Characters · · killjoy · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) someone who spoils the pleasure of others. Synonyms: spoilsport, wet blanket, party pooper. · · Noun Definition 1 Synonyms · · · spoilsport · · Synonym 1 wet blanket · · Synonym 2 party pooper · · Synonym 3 Characters · · i latin small letter i U+0069 j latin small letter j U+006A k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F y latin small letter y U+0079