prude /pɹuːd/adjective 1noun 1forms 3 adjective1 •Prudish. noun1 •(disapproving) A person who is or tries to be excessively proper, especially one who is easily offended by matters of a sexual nature.He became shy. "I hadn't meant to tell you. It's not quite for a lady." For, like most men who are rather animal, he was intellectually a prude. — 1907 formsprudes · more prude · most prude