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English definition of “flare-up”

flare-up

noun [C]    /ˈfleərˌʌp/
a sudden increase in or occasion of something such as an illness , violence , or an expression of emotion : a flare-up of arthritis There were flare-ups of anger during the long meetings .
(Definition of flare-up noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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