flu

noun
\ ˈflü \

Definition of flu

1 : influenza
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 \ adjective

Examples of flu in a Sentence

He came down with a bad bout of the flu.

Recent Examples on the Web

Early data found that flu shots were likely only about 30% effective against it. WSJ, "Immigration, Mueller Probe Boosted U.S. Tensions This Year," 18 Dec. 2018 Shots given in muscles — like the deltoid in the upper arm where flu shots are usually given — tend to be more painful than ones that aren't injected into the muscle, Stewart said. Erica Sweeney, Teen Vogue, "Why Do Some Vaccines Hurt More Than Others?," 24 Oct. 2018 The bad news is that a lot of people still didn’t get their flu shots. Beth Mole, Ars Technica, "Last year’s flu was brutal—killing 80,000—but vaccine did better than expected," 27 Sep. 2018 This flu season, Clorox is using data from smart thermometers to target ads to areas where people are sick. Recode Staff, Recode, "Recode Daily: Tim Cook wants a GDPR for the rest of the world," 24 Oct. 2018 Sleep and how to get more of it is a very trendy topic right now since everyone is stressed out and worrying about things like nuclear war and the impending flu season. Cheryl Wischhover, Vox, "Everything you need to know about Prince Harry’s sleep tracker fitness ring," 19 Oct. 2018 That surpasses the 2012-2013 flu season, when there were 171. Mike Stobbe, chicagotribune.com, "Flu season was one of the deadliest in recent history for U.S. children," 8 June 2018 That surpasses the 2012-2013 flu season, when there were 171. CBS News, "This flu season was the deadliest for U.S. kids in almost a decade," 8 June 2018 That surpasses the 2012-2013 flu season, when there were 171. Mike Stobbe, BostonGlobe.com, "Flu season was one of the deadliest for US children," 8 June 2018

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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Dictionary Entries near flu

FLSA

flt

fltg

flu

fluate

fluavil

flub

Statistics for flu

Last Updated

20 Jan 2019

Look-up Popularity

Time Traveler for flu

The first known use of flu was in 1839

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More Definitions for flu

flu

noun

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

flu

noun
\ ˈflü \

Kids Definition of flu

1 : influenza
2 : any of several virus diseases something like a cold

flu

noun
\ ˈflü \

Medical Definition of flu

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

Other Words from flu

flu-like \ -​ˌlīk \ 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

Comments on flu

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