gastrointestinal
adjective
gas·tro·in·tes·ti·nal
ˌga-strō-in-ˈte-stə-nᵊl 
-ˈtes(t)-nəl
: of, relating to, affecting, or including both stomach and intestine
Examples of gastrointestinal in a Sentence
Recent Examples on the Web
Rates of treatment discontinuation—most commonly from gastrointestinal symptoms—were higher, at 6 to 10 percent, depending on the dose, for those who received the pill, compared with a rate of 4 percent for those who received the placebo.
—
Lauren J. Young, Scientific American, 2 Apr. 2026
Canine distemper is a viral disease that affects a dog’s respiratory, gastrointestinal and nervous systems.
—Ashley Vega, PEOPLE, 2 Apr. 2026
That bacteria lives naturally in the gastrointestinal and reproductive tracts of chickens, said Kimberly Baker, associate extension specialist at Clemson University.
—ABC News, 2 Apr. 2026
Similar to other GLP-1s, the most common side effects of Foundayo are gastrointestinal in nature, including nausea, constipation, diarrhea, vomiting, indigestion, stomach pain, headache, swollen belly, fatigue, belching, heartburn, gas and hair loss.
—Angelica Stabile, FOXNews.com, 2 Apr. 2026
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Lauren J. Young, Scientific American, 2 Apr. 2026
Canine distemper is a viral disease that affects a dog’s respiratory, gastrointestinal and nervous systems.
—Ashley Vega, PEOPLE, 2 Apr. 2026
That bacteria lives naturally in the gastrointestinal and reproductive tracts of chickens, said Kimberly Baker, associate extension specialist at Clemson University.
—ABC News, 2 Apr. 2026
Similar to other GLP-1s, the most common side effects of Foundayo are gastrointestinal in nature, including nausea, constipation, diarrhea, vomiting, indigestion, stomach pain, headache, swollen belly, fatigue, belching, heartburn, gas and hair loss.
—Angelica Stabile, FOXNews.com, 2 Apr. 2026
See All Example Sentences for gastrointestinal
Cite this Entry
“Gastrointestinal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gastrointestinal. Accessed 5 Apr. 2026.
Copy CitationKids Definition
gastrointestinal
adjective
gas·tro·in·tes·ti·nal
ˌgas-trō-in-ˈtes-tən-ᵊl
: 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
: of, relating to, or affecting both stomach and intestine
gastrointestinal distress
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