Added 9 October 2026 gastroenteritis /ˌɡæstɹəʊˌɛntəˈɹaɪtəs/ noun Categories: Describing WordsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about gastroenteritis at Wordnik → Where our words come from → Inflammation of the mucous membranes of the stomach and small intestine; often caused by an infection. Related Words: gastritisrotavirusnonbacterialgastro-enteritisenteritisenterogastritismesenteritisgastroenteropathyendometritismetritisgastrocolitis Back to today's word