/ Thesaurus / R Synonyms of rust inhibitor Find synonyms for: Noun1. rust inhibitor, antioxidantusage: antioxidant that inhibits the formation of rustWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language