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
People can experience stomach cramping, nausea, diarrhea or vomiting within 24 hours after ingesting a toxic mushroom and the situation can quickly deteriorate after that, experts say.
—
Arkansas Online, 8 Feb. 2026
People can have stomach cramping, nausea, diarrhea or vomiting within 24 hours after ingesting a toxic mushroom and the situation can quickly deteriorate after that, experts say.
—CBS News, 7 Feb. 2026
Symptoms of the virus, which can last as long as three days, include sudden and severe vomiting and diarrhea.
—Los Angeles Times, 7 Feb. 2026
According to Food Allergy Research & Education, allergic reactions to soy are typically mild and produce symptoms such as hives, stomach cramps, nausea, vomiting, diarrhea, and itching, but reactions can be unpredictable.
—Michele Laufik, Martha Stewart, 6 Feb. 2026
See All Example Sentences for diarrhea
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Arkansas Online, 8 Feb. 2026
People can have stomach cramping, nausea, diarrhea or vomiting within 24 hours after ingesting a toxic mushroom and the situation can quickly deteriorate after that, experts say.
—CBS News, 7 Feb. 2026
Symptoms of the virus, which can last as long as three days, include sudden and severe vomiting and diarrhea.
—Los Angeles Times, 7 Feb. 2026
According to Food Allergy Research & Education, allergic reactions to soy are typically mild and produce symptoms such as hives, stomach cramps, nausea, vomiting, diarrhea, and itching, but reactions can be unpredictable.
—Michele Laufik, Martha Stewart, 6 Feb. 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 13 Feb. 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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