noun. : a puritanical person

adjective. : acting or behaving according to the Puritan morals (e.g. propagating modesty), especially with regard to pleasure, nudity and sex

"According to this doctrine, which I call the puritan heresy, the duality resolves itself into a struggle between the spirit and the flesh."

Puritanism  puritanical  purity  

Albigensian  Catharist  Franciscan  Grundy  Sabbatarian