diarrhea

noun

di·​ar·​rhea ˌdī-ə-ˈrē-ə How to pronounce diarrhea (audio)
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 adjective
diarrheic adjective
diarrhetic adjective

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Food dyes began to raise wider health concerns around 1950, when Orange No. 1 in Halloween candy gave trick-or-treating children diarrhea and rashes. Shayla Love, New Yorker, 8 Aug. 2025 After competing, many of the athletes experienced symptoms such as nausea, vomiting, diarrhea and stomach cramps. Adriana Pérez, Chicago Tribune, 7 Aug. 2025 The coriander plant is also used in various forms of traditional medicine for gas, diarrhea, and other digestive issues.9 Coriander seeds are a rich source of linalool, a phytonutrient linked to a variety of health benefits. Brittany Lubeck, Verywell Health, 5 Aug. 2025 Some patients may also experience nausea, diarrhea and confusion, the CDC noted. Melissa Rudy, FOXNews.com, 5 Aug. 2025 See All Example Sentences for diarrhea

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

Time Traveler
The first known use of diarrhea was in the 14th century

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Cite this Entry

“Diarrhea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diarrhea. Accessed 20 Aug. 2025.

Kids Definition

diarrhea

noun
di·​ar·​rhea ˌdī-ə-ˈrē-ə How to pronounce diarrhea (audio)
: 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

More from Merriam-Webster on diarrhea

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