flunoun [ U ]uk /fluː/ us /fluː/ formal influenza
a flu virus
to catch/get/have (the) flu
(Definition of “flu” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Blogs about "flu"
Get a quick, free translation!
More meanings of “flu”
Word of the Day
a simple, quickly-made drawing that does not have many details