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

These symptoms can be preceded by diarrhea or other gastrointestinal symptoms, according to the agency. —Michelle Del Rey, USA Today, 20 Oct. 2025

Here, patients were much less likely to have gastrointestinal side effects like constipation, and cannabis offered better relief over 6 months than their painkillers. —NPR, 20 Oct. 2025

Salmonella bacteria can cause gastrointestinal illness and fever called salmonellosis. —Matthew Robinson, MSNBC Newsweek, 16 Oct. 2025

Eliana didn’t have allergies or a gastrointestinal condition; instead, tests pointed to a problem with her immune system. —Kaitlin Sullivan, NBC news, 15 Oct. 2025

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