1
2
: any of several virus diseases marked especially by respiratory or intestinal symptoms
Examples of flu in a Sentence
He came down with a bad bout of the flu.
Recent Examples on the Web
Its portfolio primarily encompasses products related to Pain and inflammation, Digestive wellness, Allergy, Cough, cold and flu, as well as Physical and mental wellness.
—
Joe Cornell, Forbes, 30 Oct. 2024
That’s because the common cold and the flu are often transmitted through airborne viral droplets.
—Cheyenne Buckingham, Condé Nast Traveler, 29 Oct. 2024
Could my cold or flu symptoms actually be allergies?
—Juno Demelo, Glamour, 25 Oct. 2024
Hammond has written and edited explainers on a number of health and wellness topics, including racial disparities in HIV treatment, the metabolic benefits of cold exposure, how the flu shot works, and solutions for seasonal dermatology woes.
—Monroe Hammond, EverydayHealth.com, 23 Oct. 2024
See all Example Sentences for flu 
Joe Cornell, Forbes, 30 Oct. 2024
That’s because the common cold and the flu are often transmitted through airborne viral droplets.
—Cheyenne Buckingham, Condé Nast Traveler, 29 Oct. 2024
Could my cold or flu symptoms actually be allergies?
—Juno Demelo, Glamour, 25 Oct. 2024
Hammond has written and edited explainers on a number of health and wellness topics, including racial disparities in HIV treatment, the metabolic benefits of cold exposure, how the flu shot works, and solutions for seasonal dermatology woes.
—Monroe Hammond, EverydayHealth.com, 23 Oct. 2024
See all Example Sentences for flu
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'flu.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Flu.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flu. Accessed 5 Nov. 2024.
Copy CitationKids Definition
flu
noun2
: any of several virus diseases that are something like a cold
flu-like
adjective
ˈflü-ˌlīk
Medical Definition
flu
noun1
2
: any of several chiefly viral illnesses marked especially by respiratory or gastrointestinal symptoms see intestinal flu
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