1
: a sudden outburst or intensification
a flare-up of hostilities
2
: a sudden bursting (as of a smoldering fire) into flame or light
a danger of flare-ups
3
: a sudden appearance or worsening of the symptoms of a disease or condition
an asthmatic flare-up
Synonyms
Examples of flare-up in a Sentence
took medication to prevent a flare-up of her asthma
there's no need for an angry flare-up, as we'll take care of the problem immediately
Recent Examples on the Web
Calming the itch enough to leave the area alone can make a marked difference in the length and severity of flare-ups.
—
Twiggy Jalloh, Vogue, 6 Feb. 2025
That flare-up pales in comparison with the current maelstrom, which jeopardizes not just Gascón’s own campaign, but that of the movie named after, and thus inextricable from, her character.
—Alison Herman, Variety, 30 Jan. 2025
The fire Cal Fire first posted about the flare-up mid-afternoon Thursday, saying on social media that some brush had ignited along the Otay Mountain Truck Trail.
—Alex Riggins, San Diego Union-Tribune, 24 Jan. 2025
Tyson and Paul repeatedly traded barbs and insults to each other leading up to the Nov. 15 boxing match, which was delayed by four months after the legendary former heavyweight champion was diagnosed with an ulcer flare-up.
—Danielle Jennings, People.com, 21 Jan. 2025
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Twiggy Jalloh, Vogue, 6 Feb. 2025
That flare-up pales in comparison with the current maelstrom, which jeopardizes not just Gascón’s own campaign, but that of the movie named after, and thus inextricable from, her character.
—Alison Herman, Variety, 30 Jan. 2025
The fire Cal Fire first posted about the flare-up mid-afternoon Thursday, saying on social media that some brush had ignited along the Otay Mountain Truck Trail.
—Alex Riggins, San Diego Union-Tribune, 24 Jan. 2025
Tyson and Paul repeatedly traded barbs and insults to each other leading up to the Nov. 15 boxing match, which was delayed by four months after the legendary former heavyweight champion was diagnosed with an ulcer flare-up.
—Danielle Jennings, People.com, 21 Jan. 2025
See all Example Sentences for flare-up
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Dictionary Entries Near flare-up
Cite this Entry
“Flare-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flare-up. Accessed 11 Feb. 2025.
Copy CitationMedical Definition
flare-up
noun
: a sudden appearance or worsening of the symptoms of a disease or condition
an asthmatic flare-up
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