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English definition of “flag”

flag

noun [C]  /flæɡ/ us  

flag noun [C] (SYMBOL)

a piece of cloth with a special color and pattern, used as a symbol esp. to represent a particular country or group: the American flag The man waved a red warning flag.

flag

verb  /flæɡ/ (-gg-) us  

flag verb (MARK)

[T] to mark something so it can be found easily among other similar things: She asked me to flag the names that appear on both lists.

flag verb (BECOME TIRED)

[I] to become tired or less strong: My interest in the story flagged.
(Definition of flag from the Cambridge Academic Content Dictionary © Cambridge University Press)
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