/ Thesaurus / F Synonyms of fourth crusade Find synonyms for: Noun1. Fourth Crusadeusage: a Crusade from 1202 to 1204 that was diverted into a battle for Constantinople and failed to recapture JerusalemWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language