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.
Cyclosporiasis, a gastrointestinal illness that causes diarrhea, weight loss, bloating and cramping, has spread across the country following the beginning of the outbreak in May. Joseph Hernandez, Kansas City Star, 22 July 2026 Many people are avoiding lettuce in the midst of the ongoing outbreak of Cyclospora, a microscopic parasite that can contaminate fresh produce and cause days—or even weeks—of miserable gastrointestinal illness. Angela Haupt, Time, 22 July 2026 Cyclospora infection can cause gastrointestinal symptoms that may appear about one week after exposure, though the timing can vary. Olivia Laborde, AJC.com, 21 July 2026 French biotech company bioMérieux tracks trends in gastrointestinal pathogens by collecting test results from a network of laboratories. Deidre McPhillips, CNN Money, 21 July 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 28 Jul. 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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