diarrhea

noun

di·​ar·​rhea ˌdī-ə-ˈrē-ə 

1

: abnormally frequent intestinal evacuations with more or less fluid stools (see stool entry 1 sense 3a)

Symptoms of the disease include fever, nausea, and diarrhea.

2

: excessive flow

verbal diarrhea

diarrheal

ˌdī-ə-ˈrē-əl 

adjective

diarrheic

ˌdī-ə-ˈrē-ik 

adjective

diarrhetic

ˌdī-ə-ˈre-tik 

adjective

Synonyms of diarrhea

• trots
• runs

Examples of diarrhea in a Sentence

The symptoms of the disease include fever, nausea, and diarrhea.

I was taken with severe diarrhea while attending the conference.

Recent Examples on the Web

Roundworms and whipworms both live in the intestine and cause various ailments, including abdominal pain, nausea, fever and diarrhea. —Claire Cameron, Scientific American, 22 Dec. 2025

But high doses from supplements can lead to side effects like diarrhea, nausea, and stomach cramping. —Sohaib Imtiaz, Verywell Health, 22 Dec. 2025

Replace fluids lost through vomiting and diarrhea with water, clear broths, fruit juices or sports drinks. —Evan Moore december 19, Charlotte Observer, 19 Dec. 2025

Giardia is a genus of microscopic parasites that frequently cause outbreaks of diarrhea to this day. —Laura Baisas, Popular Science, 19 Dec. 2025

Word History

Etymology

Middle English diaria, from Late Latin diarrhoea, from Greek diarrhoia, from diarrhein to flow through, from dia- + rhein to flow — more at stream

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing diarrhea

• traveler's diarrhea

Rhymes for diarrhea

• aliya
• aliyah
• althea
• apnoea
• coffea
• dyspnea
• dyspnoea
• hosea
• idea
• kshatriya
• maria
• medea

Kids Definition

diarrhea

noun

di·​ar·​rhea ˌdī-ə-ˈrē-ə 

: abnormally frequent and watery bowel movements

Medical Definition

diarrhea

noun

di·​ar·​rhea

variants or chiefly British diarrhoea

ˌdī-ə-ˈrē-ə 

: abnormally frequent intestinal evacuations with more or less fluid stools