a person with censorious moral beliefs, especially about self-indulgence and sex

my mother was a puritan about sex

don't be such a puritan

a member of a group of English Protestants of the late 16th and 17th centuries who regarded the Reformation of the Church under Elizabeth I as incomplete and sought to simplify and regulate forms of worship

having or displaying censorious moral beliefs, especially about self-indulgence and sex

as the puritan ethic has weakened, hedonism has replaced it

a puritan conscience

relating to the Puritans

a Puritan parliamentarian

he was of Puritan stock