/ Thesaurus / F Synonyms of food additive Find synonyms for: Noun1. food additive, artificial additive, additiveusage: an additive to food intended to improve its flavor or appearance or shelf-lifeWordNet 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