intestinal

adjective

in·​tes·​ti·​nal in-ˈte-stə-nᵊl 

-ˈtes(t)-nəl,

-ˈte-sᵊn-əl,

 British often  ˌin-(ˌ)te-ˈstī-nᵊl

1

: affecting, occurring, or living in the intestine

2

: of, relating to, or being the intestine

intestinally adverb

Examples of intestinal in a Sentence

Recent Examples on the Web

This strain produces a toxin that can damage the lining of the intestinal wall and cause severe infection and bloody diarrhea. —Katia Hetter, CNN, 25 Oct. 2024

Escherichia coli is a bacteria that exists in food and water and in people's and animals' intestines, as a healthy part of the intestinal tract, the CDC said. —Eduardo Cuevas, USA TODAY, 25 Oct. 2024

The severe diarrhea and intestinal inflammation can lead to dehydration and abdominal tenderness. —Mustafa Fattah, NBC News, 24 Oct. 2024

As noted above, this can occur with structural abnormalities in your GI tract caused by, for example, surgeries that leave behind scar tissue or diseases that affect the shape of your bowels (like diverticulosis, which creates pouches in the intestinal walls). —Erica Sloan, SELF, 24 Oct. 2024

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing intestinal

• intestinal fortitude

Kids Definition

intestinal

adjective

in·​tes·​ti·​nal in-ˈtes-tən-ᵊl 

1

: of or relating to the intestine

2

: affecting or occurring in the intestine

intestinally

-ē

adverb

Medical Definition

intestinal

adjective

in·​tes·​ti·​nal

in-ˈtes-tən-ᵊl, -ˈtes(t)-nəl, -ˈtes-ᵊn-əl, British often ˌin-(ˌ)tes-ˈtīn-ᵊl

1

a

: affecting or occurring in the intestine

intestinal digestion

intestinal catarrh

b

: living in the intestine

the intestinal flora

an intestinal worm

2

: of, relating to, or being the intestine

the intestinal canal

intestinally

-ē 

adverb