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

Those born second, on the other hand, were more likely to be diagnosed with substance use disorders, shingles and gastrointestinal disorders. —Sara Novak, Scientific American, 21 Apr. 2026

Key Takeaways Little information is available on gelatin supplements, and at least one study reports potential gastrointestinal effects in children receiving higher doses over five days. —Amber J. Tresca, Verywell Health, 20 Apr. 2026

There is some evidence suggesting that ibogaine carries serious safety risks, particularly a potentially fatal irregular heart rhythm known as arrhythmias, along with neurologic and gastrointestinal side effects. —Mary Kekatos, ABC News, 20 Apr. 2026

The Centers for Disease Control and Prevention has issued a warning about a drug-resistant strain of shigella, a bacteria that commonly causes a gastrointestinal illness called shigellosis, as the agency is calling this new strain a public health threat. —Stephen Underwood, Hartford Courant, 19 Apr. 2026

Word History

First Known Use

1831, in the meaning defined above

Phrases Containing gastrointestinal

• gastrointestinal tract

Rhymes for gastrointestinal

• intestinal

Kids 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