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
Rotavirus causes more than 125 million cases of diarrhea each year in children and infants worldwide.
—
Don Sweeney, Sacbee.com, 27 May 2026
The only way to help those infected is to provide supportive care, health officials say, like giving medicine to support blood pressure, reduce vomiting and diarrhea, and manage fever and pain.
—Mary Whitfill Roeloffs, Forbes.com, 27 May 2026
The most common side effects of TEPEZZA include muscle cramps or spasms, nausea, hair loss, diarrhea, feeling tired, high blood sugar, hearing problems, taste changes, headache, dry skin, ear discomfort, weight loss, nail problems, and changes in menstruation.
—Lauryn Higgins, Flow Space, 27 May 2026
Those who are infected can suffer symptoms that include diarrhea that is often bloody, vomiting and abdominal cramps, according to health authorities.
—George Avalos, Mercury News, 25 May 2026
See All Example Sentences for diarrhea
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Don Sweeney, Sacbee.com, 27 May 2026
The only way to help those infected is to provide supportive care, health officials say, like giving medicine to support blood pressure, reduce vomiting and diarrhea, and manage fever and pain.
—Mary Whitfill Roeloffs, Forbes.com, 27 May 2026
The most common side effects of TEPEZZA include muscle cramps or spasms, nausea, hair loss, diarrhea, feeling tired, high blood sugar, hearing problems, taste changes, headache, dry skin, ear discomfort, weight loss, nail problems, and changes in menstruation.
—Lauryn Higgins, Flow Space, 27 May 2026
Those who are infected can suffer symptoms that include diarrhea that is often bloody, vomiting and abdominal cramps, according to health authorities.
—George Avalos, Mercury News, 25 May 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 29 May. 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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