/ Thesaurus / D Synonyms of dueller Find synonyms for: Noun1. dueler, dueller, duelist, duellist, adversary, antagonist, opponent, opposer, resisterusage: a person who fights duelsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language