Puritanical
Part of speech: adjective
Definition: Of or pertaining to the Puritans, or to their doctrines and practice. Precise in observance of legal or religious requirements; strict; overscrupulous; rigid; — often used by way of reproach or contempt.
Puritan
Part of speech: noun
Definition: (often disapproving): a puritanical person
Part of speech: adjective
Definition: (often disapproving): acting or behaving according to the Puritan morals (e.g. propagating modesty), especially with regard to pleasure, nudity and sex