/ Thesaurus / I Synonyms of irritable bowel syndrome Find synonyms for: Noun1. irritable bowel syndrome, spastic colon, mucous colitis, colitis, inflammatory bowel diseaseusage: recurrent abdominal pain and diarrhea (often alternating with periods of constipation); often associated with emotional stressWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language