flareup
Americannoun
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a sudden flaring up of flame or light.
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a sudden outburst or intensification, as of anger or tensions.
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a sudden outbreak of violence, disease, or any other condition thought to be quelled, checked, or inactive.
Etymology
Origin of flareup
First recorded in 1830–40; noun use of verb phrase flare up
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
He faced harsh weather conditions, closed footpaths, severely-blistered feet, and a gout flareup which resulted in a trip to the emergency department.
From BBC • Nov. 1, 2025
Despite a recent flareup in trade frictions, most analysts expect to see a de-escalation in tensions and some form of truce, which would give markets a big boost.
From The Wall Street Journal • Oct. 24, 2025
Elohim, meanwhile, had a flareup of a knee problem that shut him down last season.
From Los Angeles Times • Jan. 21, 2023
Sunday’s incident off Philippine-occupied Thitu island is the latest flareup in the long-seething territorial disputes involving China, the Philippines, Vietnam, Malaysia, Brunei and Taiwan.
From Seattle Times • Nov. 23, 2022
It bloomed best, most sublimely, in the middle of an emotional flareup of just this kind.
From "Franny and Zooey" by J. D. Salinger
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.