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flareup

American  
[flair-uhp] / ˈflɛərˌʌp /

noun

  1. a sudden flaring up of flame or light.

  2. a sudden outburst or intensification, as of anger or tensions.

  3. 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