(n.) A woman of affected modesty, reserve, or coyness; one who is overscrupulous or sensitive; one who affects extraordinary prudence in conduct and speech.

Lord Fauntleroy Pecksniffian Percy Tartuffian Tartuffish Victorian affected bluenose canting chicken cream puff effeminate elegant euphemistic euphuistic exquisite FALSE formalistic goody goody good-good holier-than-thou hypocritic hypocritical insincere lily mealymouthed mid-Victorian milksop mincing mollycoddle namby-pamby nance nancy oily old maid old woman overnice overprecise overrefined pantywaist pedantic pharisaic pharisean pietistic pious precieuse precious precisian precisianistic precisionistic prig prude puristic puritan sanctified sanctimonious self-righteous simon-pure simpering sissy sniveling unctuous weak sister