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

Cabbage Cabbage has traditionally been used to relieve stomach discomfort and gastrointestinal (GI) conditions, such as irritable bowel syndrome (IBS). —Lauren O'Connor, Health, 9 Nov. 2025

Some of the adverse events reported in the trial were gastrointestinal disorders and certain infections, but the occurrence of these events was similar across both groups. —Jacqueline Howard, CNN Money, 8 Nov. 2025

The most common side effects were mild to moderate gastrointestinal symptoms and fatigue, which were seen more frequently at higher doses. —Reuters, NBC news, 6 Nov. 2025

Symptoms include fever, muscle aches, gastrointestinal issues, stiff neck, confusion and loss of balance. —NPR, 4 Nov. 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