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.
Out of 88 trial participants, there were no adverse effects and good gastrointestinal tolerability for the daily pill, the company told STAT’s Elizabeth Cooney. Theresa Gaffney, STAT, 18 Aug. 2026 Colonoscopies can also diagnose or treat chronic constipation, diarrhea, gastrointestinal bleeding and hemorrhoids. Hanna Wickes, Sacbee.com, 18 Aug. 2026 In January 2017, Manson was hospitalized for gastrointestinal bleeding related to his colon and deemed too weak to undergo surgery, per The New York Times. Lynsey Eidell, PEOPLE, 15 Aug. 2026 Culturelle probiotic pros The probiotic strain used in Culturelle is one of the most widely used due to its effective treatment of gastrointestinal infections and diarrhea. Bestreviews, Chicago Tribune, 14 Aug. 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 20 Aug. 2026.

Kids Definition

gastrointestinal

adjective
: of, relating to, or including both stomach and intestine

Medical Definition

gastrointestinal

adjective
: of, relating to, or affecting both stomach and intestine
gastrointestinal distress
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