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

In addition, stool samples from those suffering from the gastrointestinal illnesses were taken for testing. —Cbs News Miami updated January 13, Miami Herald, 13 Jan. 2026

Individuals following specialized medical diets, such as a low-fiber diet for specific gastrointestinal conditions or recovering from a digestive surgery, may need to avoid smoothies rich in fiber or contain ingredients that could irritate the gut. —Lauren Panoff, Verywell Health, 13 Jan. 2026

In order to track gastrointestinal issues, medical staff evaluated symptoms of three or more loose stools from individuals within a 24-hour period, or that which is more than normal for individual travelers. —Ashley J. Dimella, FOXNews.com, 12 Jan. 2026

Nearly 90 people onboard a Holland America cruise ship that departed from Fort Lauderdale at the end of December suffered from gastrointestinal illnesses due to a norvovirus outbreak, according to the Centers for Disease Control and Prevention. —Steven Yablonski, CBS News, 12 Jan. 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