/ Thesaurus / C Synonyms of co defendant Find synonyms for: Noun1. codefendant, co-defendant, defendant, suspectusage: a defendant who has been joined together with one or more other defendants in a single actionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language