/ Thesaurus / C Synonyms of criminal prosecution Find synonyms for: Noun1. prosecution, criminal prosecution, legal action, action, action at lawusage: the institution and conduct of legal proceedings against a defendant for criminal behaviorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language