Meaning of “flare” in the English Dictionary

"flare" in British English

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flareverb

uk /fleər/ us /fler/

flarenoun

uk /fleər/ us /fler/

(Definition of “flare” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"flare" in American English

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flareverb

us /fleər/

flare verb (BURN)

[ I ] to burn brightly either for a short time or on and off:

The candle flared then went out.

flare verb (BECOME WIDER)

[ I/T ] to become wider, or to make something wider:

[ I ] These trousers flare slightly at the ankle.

flare verb (HAPPEN SUDDENLY)

[ I ] to happen in a sudden and often violent way:

The dispute threatens to flare into a lawsuit.
The argument quieted down then flared up again.

flarenoun [ C ]

us /fleər/

flare noun [ C ] (BRIGHT LIGHT)

something that produces a flame or bright light and is usually used as a signal, or the flame or light itself:

The boat is equipped with flares.
Did you see that flare?

(Definition of “flare” from the Cambridge Academic Content Dictionary © Cambridge University Press)