prude Definition

prude
noun

1. Someone who is, or affects to be, shocked by improper behaviour, mention of sexual matters, etc; a prim or priggish person.

Thesaurus: puritan, priss, Victorian, old maid, goody-goody (slang), Mrs. Grundy, bluenose (US), spoilsport, stick-in-the-mud (slang), wet blanket.

Derivative: prudery
noun

Derivative: prudish
adj

Displaying shock at the mention of sexual matters
Thesaurus: prissy, puritanical, strait-laced, demure, proper, stuffy, over-modest.

Derivative: prudishness
noun

Etymology: 18c: French, from prude femme respectable woman.