[ flair-uhp ]
/ ˈflɛərˌʌp /


a sudden flaring up of flame or light.
a sudden outburst or intensification, as of anger or tensions.
a sudden outbreak of violence, disease, or any other condition thought to be quelled, checked, or inactive.

Origin of flareup

First recorded in 1830–40; noun use of verb phrase flare up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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