celiac

1 of 2

adjective

ce·​li·​ac ˈsē-lē-ˌak 

variants or chiefly British coeliac

1

: of or relating to the abdominal cavity

2

: relating to or used for celiac disease

a celiac diet

celiac

2 of 2

noun

variants or chiefly British coeliac

plural celiacs

: a person affected with celiac disease

Many celiacs bounce from doctor to doctor for help with symptoms that stubbornly defy treatment.

—David P. Hamilton

Examples of celiac in a Sentence

Recent Examples on the Web

Adjective

For years, this meant my celiac family was left out of the sweets table at events. —Katie Akin, Southern Living, 18 Jan. 2026

This makes buckwheat flour suitable for people with a wheat allergy, celiac disease, or non-celiac gluten sensitivity (gluten intolerance). —Merve Ceylan, Health, 18 Nov. 2025

Noun

His physician ran several tests that didn't reveal anything, so Sasse's doctor referred him to a gastroenterologist, believing the cause could be undiagnosed celiac or lactose intolerance. —Rachel Raposas, PEOPLE, 10 Apr. 2026

This category includes vegans and vegetarians, people taking specific medications that interfere with B12 absorption such as metformin or proton pump inhibitors, and those who have gastrointestinal disorders like Crohn’s, celiac, or atrophic gastritis. —Perri Ormont Blumberg, Time, 13 Aug. 2025

Word History

Etymology

Adjective

Latin coeliacus, from Greek koiliakos, from koilia cavity, from koilos hollow — more at cave

First Known Use

Adjective

1662, in the meaning defined at sense 1

Noun

1976, in the meaning defined above

Phrases Containing celiac

• celiac disease

Rhymes for celiac

• coeliac

Medical Definition

celiac

1 of 2 adjective

ce·​li·​ac

variants or chiefly British coeliac

ˈsē-lē-ˌak 

1

: of or relating to the abdominal cavity

2

: belonging to or prescribed for celiac disease

the celiac syndrome

a celiac diet

celiac

2 of 2 noun

variants or chiefly British coeliac

: a celiac part (as a nerve)