/ Thesaurus / K Synonyms of knight errantry Find synonyms for: Noun1. knight errantry, quixotism, idealismusage: quixotic (romantic and impractical) behavior2. knight errantry, code of conduct, code of behaviorusage: (Middle Ages) the code of conduct observed by a knight errant who is wandering in search of deeds of chivalryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language