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

The chronic diarrhea could cause part of their intestines to fall out. —Ava Kofman, New Yorker, 3 Nov. 2025

Some people have digestive side effects from pomegranate, such as diarrhea, which is the most common. —Jinan Banna, Verywell Health, 30 Oct. 2025

These symptoms can sometimes be preceded by diarrhea or other gastrointestinal problems. —Asuka Koda, CNN Money, 30 Oct. 2025

For example, stress can induce short term issues like upset stomach, vomiting or diarrhea, while longer term stress can both cause and contribute to irritable bowel syndrome (IBS). —Sandra Rose Salathe, Flow Space, 29 Oct. 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