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.
Also weighing on talks are Trump's trade wars, notably the recent tit-for-tat flareup with Canada, while observers monitor if the G20 can still work together to address big economic challenges.
From Barron's ● Aug. 31, 2026
The political flareup came after firefighters were called to the property Wednesday, where Ledsworth said he saw flames as high as 20 feet.
From Los Angeles Times ● Aug. 28, 2026
Yet barring a massive flareup in violence in the Middle East and another spike in oil prices, the latest bout of inflation is unlikely to get much worse.
From MarketWatch ● Jun. 10, 2026
Another flareup in inflation has raised business costs and pared customer demand.
From The Wall Street Journal ● May 22, 2026
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.