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stomach bug

American

[stuhm-uhk buhg] / ˈstʌm ək ˌbʌg /

noun

a short-term illness with digestive symptoms, such as vomiting and diarrhea, caused by a virus or bacteria.

First recorded in 1955–60

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

stomach bug

“It lasts much longer than a stomach bug where you’re sick for a day and you bounce back.”

From The Wall Street Journal ● Jul. 17, 2026

Suryakumar said dashing opener Abhishek Sharma has recovered well from a stomach bug and was likely to play.

From Barron's ● Feb. 14, 2026

Experts suggest increased hand-washing to avoid catching the ultra-contagious stomach bug.

From Los Angeles Times ● Dec. 13, 2025

At age nine, Courtenay became ill suddenly with what was thought to be a stomach bug.

From BBC ● Nov. 26, 2025

“There’s a stomach bug going around,” said Nurse Molly.

From "Wonder" by R. J. Palacio

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023