gayness n. + Add to list US //ˈɡeɪnəs// UK //ɡˈeɪnəs// gay·ness Archaic SynonymsEtymology Synonyms homoeroticismhomosexualismhomosexualityqueernessOriginMEgaynesse→ENgayness From Middle English gaynesse, equivalent to gay + -ness.