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.
Akiyama, 84, died last Wednesday, August 26, of lower gastrointestinal bleeding, news agencies in Japan reported. Robert Pearlman, ArsTechnica, 2 Sep. 2026 While popular injectable weight-loss medications such as semaglutide can produce substantial weight loss partly by reducing food intake, some patients experience gastrointestinal side effects and loss of lean mass. Khloe Quill, FOXNews.com, 2 Sep. 2026 The endangered leopard developed gastrointestinal issues earlier this year, the zoo said. Daniel Lempres, Sacbee.com, 26 Aug. 2026 CoQ10 interacts with various medications and may cause gastrointestinal side effects or trouble sleeping. Megan Nunn, Verywell Health, 26 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 3 Sep. 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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