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

These symptoms can be preceded by diarrhea or other gastrointestinal symptoms, according to the agency. —Michelle Del Rey, USA Today, 20 Oct. 2025

This syndrome causes nausea, diarrhea, sweating, and flushing after eating. —Carrie Madormo, Health, 18 Oct. 2025

Other common symptoms include prolonged changes in bowel habits, such as new diarrhea or new constipation, thinner stools and abdominal pain. —Andrea Kane, CNN Money, 16 Oct. 2025

Short-term symptoms include high fever, severe headache, stiffness, nausea, abdominal pain and diarrhea. —News Editor, MSNBC Newsweek, 16 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