/ Thesaurus / U Synonyms of urex Find synonyms for: Noun1. methenamine, Mandelamine, Urex, antibacterial, antibacterial drug, bactericideusage: antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infectionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language