\ ˈflü How to pronounce flu (audio) \

Definition of flu

2 : any of several virus diseases marked especially by respiratory or intestinal symptoms

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Other Words from flu

flu-like \ ˈflü-​ˌlīk How to pronounce flu-like (audio) \ adjective

Examples of flu in a Sentence

He came down with a bad bout of the flu.
Recent Examples on the Web San Francisco may catch a break due to illness as two of the Buccaneers best players were in jeopardy of missing the game due to the flu. Jon Becker, The Mercury News, "Live updates: 49ers’ defense scores twice in 31-17 victory over Buccaneers," 8 Sep. 2019 Having come to the hospital at the University of Vermont to recover from the flu, this elegant, 83-year-old woman was lying in her bed. Michael Erard, Quartz, "How a doctor and a linguist are using AI to better talk to dying patients," 3 Sep. 2019 Fast Fact: 3 That's how many children have died in border detention facilities from the flu since December. Wired, "A New Kind of Wi-Fi, a Streaming Piracy Bust, and More News," 29 Aug. 2019 As many as 61,200 deaths attributed to the flu were reported since last year. Leada Gore | Lgore@al.com, al, "Updated flu guidelines from CDC: When should you get your flu shot?," 23 Aug. 2019 Or that Neil DeGrasse Tyson points out, for reasons of his own, that lots of people die from the flu too. Los Angeles Times, "Column: For our kids, the white guy with a gun is the face of terrorism," 6 Aug. 2019 At least two other adults and five children have died in custody since December, including a teenage boy who died from the flu and had been at the central processing center in McAllen last month. NBC News, "Salvadoran migrant dies in U.S. border custody," 1 July 2019 After spending hours in a hospital suffering from the flu, which kept him out of Game 1 against U-M's Super Regional game against No. 1 UCLA, Henry returned for Game 3 to lead the Wolverines to their first College World Series since 1984. J.l. Kirven, Detroit Free Press, "Tommy Henry pulled off 'the gutsiest performance in college baseball'. Here's how," 11 June 2019 Paul and Lisa Berghoff accepted a posthumous diploma on behalf of their son Andrew Berghoff, who died on March 19, 2017, due to complications from the flu and bacterial pneumonia. Dan Shalin, chicagotribune.com, "Notre Dame grants posthumous diploma to beloved student Andrew Berghoff," 9 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flu.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of flu

1839, in the meaning defined at sense 1

History and Etymology for flu

by shortening

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Statistics for flu

Last Updated

27 Oct 2019

Time Traveler for flu

The first known use of flu was in 1839

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More Definitions for flu


How to pronounce flu (audio)

English Language Learners Definition of flu

: a common disease that is caused by a virus and that causes fever, weakness, body aches, and breathing problems


\ ˈflü How to pronounce flu (audio) \

Kids Definition of flu

2 : any of several virus diseases something like a cold


\ ˈflü How to pronounce flu (audio) \

Medical Definition of flu

2 : any of several chiefly viral illnesses marked especially by respiratory or gastrointestinal symptoms — see intestinal flu

Other Words from flu

flu-like \ -​ˌlīk How to pronounce flu-like (audio) \ also flulike adjective
flu-like symptoms

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More from Merriam-Webster on flu

Rhyming Dictionary: Words that rhyme with flu

Spanish Central: Translation of flu

Nglish: Translation of flu for Spanish Speakers

Britannica English: Translation of flu for Arabic Speakers

Britannica.com: Encyclopedia article about flu

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