/ Thesaurus / B Synonyms of bleaching agent Find synonyms for: Noun1. bleaching agent, bleach, blanching agent, whitener, agentusage: an agent that makes things white or colorlessWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language