flareup

[ flair-uhp ]
/ ˈflɛərˌʌp /

noun

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

Example sentences from the Web for flareup