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
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
During those five to seven days, stomachaches, bloody diarrhea and vomiting are common.
—
David J. Neal, Miami Herald, 5 Apr. 2026
People may develop severe abdominal cramps and diarrhea that is often bloody.
—Katia Hetter, CNN Money, 1 Apr. 2026
The most common side effects were nausea, constipation and diarrhea.
—Sydney Lupkin, NPR, 1 Apr. 2026
Lilly said the side effects of Foundayo were similar to its injectable drugs, with gastrointestinal issues — such as nausea, constipation and diarrhea — among those most commonly reported.
—Berkeley Lovelace Jr, NBC news, 1 Apr. 2026
See All Example Sentences for diarrhea
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David J. Neal, Miami Herald, 5 Apr. 2026
People may develop severe abdominal cramps and diarrhea that is often bloody.
—Katia Hetter, CNN Money, 1 Apr. 2026
The most common side effects were nausea, constipation and diarrhea.
—Sydney Lupkin, NPR, 1 Apr. 2026
Lilly said the side effects of Foundayo were similar to its injectable drugs, with gastrointestinal issues — such as nausea, constipation and diarrhea — among those most commonly reported.
—Berkeley Lovelace Jr, NBC news, 1 Apr. 2026
See All Example Sentences for diarrhea
Cite this Entry
“Diarrhea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diarrhea. Accessed 8 Apr. 2026.
Copy CitationKids 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
: abnormally frequent intestinal evacuations with more or less fluid stools
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