/ Thesaurus Find synonyms for: Noun1. antacid, gastric antacid, alkalizer, alkaliser, antiacid, agentusage: an agent that counteracts or neutralizes acidity (especially in the stomach)Adjective1. antacid, antagonistic (vs. synergistic), incompatibleusage: acting to neutralize acid (especially in the stomach)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.See also: antacid (Dictionary) Related Content Daily Word Quiz: transient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language Synonyms Index