Definition of “flu” - English Dictionary


(Definition of “flu” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“flu” in American English

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flunoun [ U ]

us /flu/

esp. fml influenza, /ˌɪn·fluˈen·zə/ an infectious illness like a very bad cold that also causes a fever:

Robby has a bad case of the flu.

(Definition of “flu” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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