/ Thesaurus / D Synonyms of diarrhoea Find synonyms for: Noun1. diarrhea, diarrhoea, looseness of the bowels, looseness, symptomusage: frequent and watery bowel movements; can be a symptom of infection or food poisoning or colitis or a gastrointestinal tumorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language