/ Thesaurus / F Synonyms of fumaric acid Find synonyms for: Noun1. fumaric acid, acidusage: a colorless crystalline acid with a fruity taste; used in making polyester resinsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language