/ Thesaurus / R Synonyms of regional ileitis Find synonyms for: Noun1. regional enteritis, regional ileitis, Crohn's disease, colitis, inflammatory bowel diseaseusage: a serious chronic and progressive inflammation of the ileum producing frequent bouts of diarrhea with abdominal pain and nausea and fever and weight lossWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language