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
The bacteria can lead to illness with symptoms including severe stomach cramps, diarrhea and vomiting, the release said.
—
Chiara Kim,
PEOPLE,
6 July 2026
Teams may not want to risk their athletes feeling even a little more sluggish, itchy, constipated, diarrhea-ry or whatever.
—
Bruce Y. Lee,
Forbes.com,
4 July 2026
Intestinal infections, which caused severe diarrhea and dehydration, were common in 1776 because of poor sanitation and contaminated food and water, especially in military camps, per NIH and NLM.
—
Melissa Rudy,
FOXNews.com,
3 July 2026
Symptoms of salmonella poisoning include diarrhea, fever, severe vomiting, dehydration and stomach cramps.
—
ABC News,
2 July 2026
See All Example Sentences for diarrhea
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Chiara Kim,
PEOPLE,
6 July 2026
Teams may not want to risk their athletes feeling even a little more sluggish, itchy, constipated, diarrhea-ry or whatever.
—
Bruce Y. Lee,
Forbes.com,
4 July 2026
Intestinal infections, which caused severe diarrhea and dehydration, were common in 1776 because of poor sanitation and contaminated food and water, especially in military camps, per NIH and NLM.
—
Melissa Rudy,
FOXNews.com,
3 July 2026
Symptoms of salmonella poisoning include diarrhea, fever, severe vomiting, dehydration and stomach cramps.
—
ABC News,
2 July 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 7 Jul. 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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