/ Thesaurus / T Synonyms of tums Find synonyms for: Noun1. Tums, antacid, gastric antacid, alkalizer, alkaliser, antiacidusage: an antacidNoun1. Tums, antacid, gastric antacid, alkalizer, alkaliser, antiacidusage: an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language