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.
In studies, withdrawal from kratom has appeared mild on a scale that measures clinical opioid withdrawal, with symptoms like anxiety, fatigue, gastrointestinal issues, and restlessness. — Theresa Gaffney, STAT, 6 Nov. 2026 Skipping them can increase the risk of gastrointestinal illnesses, which can spread quickly in close quarters onboard. — Kristy Tolley, Travel + Leisure, 5 Nov. 2026 That makes the fine print particularly important if your pet recently recovered from an infection, gastrointestinal issue or other temporary illness. — Angelica Leicht, CBS News, 3 Nov. 2026 These bacteria can cause skin infections, strep throat, or gastrointestinal illnesses producing nausea, vomiting, and diarrhea. — Eric Alt, Popular Science, 1 Nov. 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 14 Nov. 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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