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diarrheal

American  
[dahy-er-ee-uhl] / ˌdaɪ ərˈi əl /
Or diarrhoeal

adjective

  1. relating to, caused by, or characterized by diarrhea.


Other Word Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Cruises more commonly contend with illnesses like norovirus, which accounts for more than 90% of diarrheal illnesses reported onboard, according to the CDC.

From The Wall Street Journal • May 9, 2026

More than 4 billion people around the world lack access to safely managed water, and fecal contamination contributes to millions of cases of diarrheal illness each year, especially among children.

From Science Daily • Jan. 23, 2026

Every day, dozens of people arrive with respiratory infections, diarrheal diseases, skin conditions and eye infections -- ailments that spread quickly in crowded conditions with little clean water.

From Barron's • Nov. 24, 2025

Cholera is a diarrheal illness that spreads in places without access to clean water and sanitation, when people swallow food or water contaminated with Vibrio cholerae bacteria.

From Seattle Times • Aug. 1, 2023

Sometimes she visited houses where people were dying, and often, especially in Cange, there were children with diarrheal diseases that could be fatal.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

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