Flu Definition

flo͝o
noun
Webster's New World
Any of various respiratory or intestinal infections caused by a virus.
Webster's New World
(informal) Common cold.
Wiktionary

(UK) Dated form of flu.

Wiktionary
Synonyms:

Other Word Forms of Flu

Noun

Singular:
flu
Plural:
flus

Origin of Flu

  • Abbreviation of influenza.

    From Wiktionary

  • A shortening of influenza.

    From Wiktionary

  • Short for influenza

    From American Heritage Dictionary of the English Language, 5th Edition

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