flare-up

noun

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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Talk to a healthcare provider if flare-ups continue or get worse. Brandi Jones, Msn-Ed, Health, 28 Mar. 2025 Evacuation orders were issued across multiple towns and counties as dry conditions and wind gusts fueled flare-ups that had earlier been partially contained. Paul Du Quenoy, MSNBC Newsweek, 26 Mar. 2025 And trust us, those flare-ups are definitely worth avoiding. Annie Blackman, Allure, 24 Mar. 2025 Recognizing and avoiding triggers can help reduce flare-ups. Jurairat J. Molina, Verywell Health, 24 Mar. 2025 See All Example Sentences for flare-up

Word History

First Known Use

1839, in the meaning defined at sense 1

Time Traveler
The first known use of flare-up was in 1839

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Cite this Entry

“Flare-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flare-up. Accessed 2 Apr. 2025.

Kids Definition

flare-up

noun
ˈfla(ə)r-ˌəp,
ˈfle(ə)r-
: a sudden burst (as of flame or anger)

Medical Definition

flare-up

noun
: a sudden appearance or worsening of the symptoms of a disease or condition
an asthmatic flare-up
Last Updated: - Updated example sentences
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