Breadcrumb Home > Thesaurus > I Cite Synonyms of indigestion Find synonyms for: Noun1. indigestion, dyspepsia, stomach upset, upset stomach, symptomusage: a disorder of digestive function characterized by discomfort or heartburn or nauseaWordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.Definition and meaning of indigestion (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: invective Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language