Meaning of the word "flare up" in English

What does "flare up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

flare up

US /fler ʌp/
UK /fler ʌp/
"flare up" picture

Phrasal Verb

1.

to suddenly start burning more brightly or intensely

Example:
The campfire suddenly flared up, sending sparks into the night sky.
The dry brush flared up quickly in the strong winds.
2.

to suddenly become worse or more intense (especially of a disease or problem)

Example:
Her asthma tends to flare up during allergy season.
Old tensions between the two countries could flare up again.
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