flu
Pronunciation
Noun
A1 Beginner
Quick answer
A common illness caused by a virus that brings fever, aches, and tiredness.
Synonyms and antonyms
Synonyms
influenza
Usage notes
"Flu" is the short, everyday form of "influenza."
Test yourself
Which word fits the gap? "Half the office was out sick with the _____ last week."
Answer: flu
In your own words, what does "flu" mean?
A common illness caused by a virus that brings fever, aches, and tiredness.
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