gastrointestinal

adjective

gas·​tro·​in·​tes·​ti·​nal ˌga-strō-in-ˈte-stə-nᵊl How to pronounce gastrointestinal (audio)
-ˈtes(t)-nəl
: of, relating to, affecting, or including both stomach and intestine

Examples of gastrointestinal in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yale Medicine notes that gastrointestinal symptoms such as nausea, vomiting and diarrhea are the most common side effects for GLP-1s in pill and injectable forms. Jay Sparks, USA Today, 6 May 2026 Too much calcium from supplements can increase the risk of irregular heart rhythms, kidney stones, and gastrointestinal side effects. Sara Hoffman, Verywell Health, 6 May 2026 Modern marathoners are now able to consume unprecedented levels of carbohydrates during races, thanks to hydrogel delivery systems that reduce gastrointestinal distress. New Atlas, 5 May 2026 Disease outbreaks involving gastrointestinal and respiratory illnesses happen periodically on cruise ships, which are full of people in close quarters for long stretches of time. Susan Montoya Bryan, Chicago Tribune, 4 May 2026 See All Example Sentences for gastrointestinal

Word History

First Known Use

1831, in the meaning defined above

Time Traveler
The first known use of gastrointestinal was in 1831

Cite this Entry

“Gastrointestinal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gastrointestinal. Accessed 11 May. 2026.

Kids Definition

gastrointestinal

adjective
gas·​tro·​in·​tes·​ti·​nal ˌgas-trō-in-ˈtes-tən-ᵊl How to pronounce gastrointestinal (audio)
: of, relating to, or including both stomach and intestine

Medical Definition

gastrointestinal

adjective
gas·​tro·​in·​tes·​ti·​nal ˌgas-trō-in-ˈtes-tən-ᵊl, -ˈtes(t)-nəl How to pronounce gastrointestinal (audio)
: of, relating to, or affecting both stomach and intestine
gastrointestinal distress
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