/ Thesaurus / W Synonyms of war criminal Find synonyms for: Noun1. war criminal, wrongdoer, offenderusage: an offender who violates international law during times of warWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language