First Known Use: 1839
Dictionary
flu
noun \ˈflü\
: a common disease that is caused by a virus and that causes fever, weakness, body aches, and breathing problems
Full Definition of FLU
1
2
: any of several virus diseases marked especially by respiratory or intestinal symptoms
— flu–like \ˈflü-ˌlīk\ adjective
See flu defined for English-language learners
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Origin of FLU
by shortening
Rhymes with FLU
blue, boo, brew, chew, clew, clue, coo, coup, crew, cue, dew, do, doux, due, ewe, few, flue, fou, glue, gnu, goo, hew, hue, Jew, Koo, lieu, loo, mew, moo, moue, mu, new, nu, ooh, pew, phew, pooh, q, queue, roux, rue, screw, shoe, shoo, shrew, Sioux, skew, slew, slough, slue, smew, sou, sous, spew, sprue, stew, strew, sue, Sue, thew, through, to, too, true, two, u, view, whew, who, woo, xu, yew, you, zoo
FLU Defined for Kids
flu
noun \ˈflü\
Medical Dictionary
flu
noun \ˈflü\
Medical Definition of FLU
1
2
: any of several diseases caused by bacteria or viruses and marked especially by respiratory or intestinal symptoms—see intestinal flu
—flu·like \-ˌlīk\ adjective
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