From Longman Dictionary of Contemporary Englishprudeprude /pruːd/ noun [countable] OFFENDsomeone who is very easily shocked by anything relating to sex – used to show disapproval → prudish
Examples from the Corpus
prude• Eline didn't think of herself as a prude but it was clear that Sarah held virtue very lightly indeed.• Possibly I was being a bit of a prude.• Alvin was fastidious and even a bit of a prude.• In the inevitable lecture series that followed, few would be intrigued by a grossly overweight, fortyish prude.• Sarah's no prude, but she thought some of the sex scenes were quite shocking.• Marriage, that desiccated, pedantic, self-satisfied prude.Origin prude (1700-1800) French “good woman, prudish woman”, from prudefemme “good woman”, from Old French prode femme 