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Definition of flare–up
1 : a sudden outburst or intensification a flare-up of hostilities
2 : a sudden bursting (as of a smoldering fire) into flame or light a danger of flare-ups
3 : a sudden appearance or worsening of the symptoms of a disease or condition an asthmatic flare-up
From the M-W Editors
First Known Use of flare–up
1839
FLARE–UP Defined for English Language Learners
flare-up
play
noun
Definition of flare–up for English Language Learners
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: a sudden occurrence of flame
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: a sudden occurrence or expression of anger
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: an occurrence in which something (such as violence or a disease) suddenly begins or becomes worse
Medical Dictionary
flare–up
play
noun
\-ˌəp\
Medical Definition of flare–up
: a sudden appearance or worsening of the symptoms of a disease or condition an asthmatic flare–up
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