flu season
noun
: the time of year, and especially the winter, when many people get influenza and other mild illnesses
Examples of flu season in a Sentence
Recent Examples on the Web
The country is still in the midst of flu season, which generally runs from October through May, and no one wants to spend the holidays sneezing and coughing.
—
Michelle Marchante, Miami Herald, 17 Dec. 2025
The Northeast and South are now officially considered to be in flu season and have higher concentrations than the rest of the country.
—Mary Walrath-Holdridge, USA Today, 16 Dec. 2025
The 2024–2025 flu season was one of the most severe in recent decades.
—Tanya Lewis, Scientific American, 16 Dec. 2025
Scientists often look to Australia, where flu season hits between April and October — winter in the Southern Hemisphere — for clues as to what could be coming to countries in the Northern Hemisphere.
—Brenda Goodman, CNN Money, 13 Dec. 2025
See All Example Sentences for flu season
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Michelle Marchante, Miami Herald, 17 Dec. 2025
The Northeast and South are now officially considered to be in flu season and have higher concentrations than the rest of the country.
—Mary Walrath-Holdridge, USA Today, 16 Dec. 2025
The 2024–2025 flu season was one of the most severe in recent decades.
—Tanya Lewis, Scientific American, 16 Dec. 2025
Scientists often look to Australia, where flu season hits between April and October — winter in the Southern Hemisphere — for clues as to what could be coming to countries in the Northern Hemisphere.
—Brenda Goodman, CNN Money, 13 Dec. 2025
See All Example Sentences for flu season
Cite this Entry
“Flu season.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flu%20season. Accessed 21 Dec. 2025.
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