American Dictionary

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Definition flare up in American English

flare up phrasal verb

[intransitive] phrasal verb
Example

The fire could flare up again at any time.

Example

It looked as if the fighting might flare up again.

3

if an illness or medical condition flares up, it becomes worse

Example

In moments of stress, his asthma always flares up.

Synonyms and related words
Definition flare up in American English