/ Thesaurus / S Synonyms of simon de montfort Find synonyms for: Noun1. Montfort, Simon de Montfort, Earl of Leicesterusage: an English nobleman who led the baronial rebellion against Henry III (1208-1265)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyre Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language