nicety n. + Add to list US //ˈnaɪsɪti// UK //nˈaɪsətˌi// nice·ty Archaic SynonymsEtymology Synonyms justnessnuancerefinementrightnessshadesubtletyOriginOFRniceté→MEnicetee→ENnicety From Middle English nicetee, from Old French niceté (“simpleness, foolishness”), from nice (“simple, foolish”); equivalent to nice + -ty.