flu

noun \ ˈflü \
Updated on: 10 Nov 2017

Definition of flu

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

flu-like

play \ˈflü-ˌlīk\ adjective

Examples of flu in a Sentence

  1. He came down with a bad bout of the flu.

Recent Examples of flu from the Web

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.

Origin and Etymology of flu

by shortening



FLU Defined for English Language Learners

flu

noun

Definition of flu for English Language Learners

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


FLU Defined for Kids

flu

noun \ ˈflü \

Definition of flu for Students

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

Medical Dictionary

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

flu-like

play \-ˌlīk\ also flulike adjective
    • flu-like symptoms


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