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 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

• 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

It is often used when a person has vomiting or diarrhea and cannot tolerate most food. —Merve Ceylan, Health, 21 June 2025

Common complications are ear infections and diarrhea. —Mandy Taheri, MSNBC Newsweek, 15 June 2025

On his third day, Jit developed a nasty stomach bug and suffered some unfortunate and messy diarrhea, soiling his fancy hiking slacks. —Frederick Dreier, Outside Online, 13 June 2025

Most of the dogs appeared to recover quickly from their diarrhea. —Laura Baisas, Popular Science, 11 June 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