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
Despite the flare-up, Wedbush technology analyst Dan Ives expects the conflict between Musk and Mr. Trump to die down moving forward.
—
Anne Marie D. Lee, CBS News, 1 July 2025
Iran Offer The flare-up between India and Pakistan has been overshadowed globally by the war between Israel and Iran, with the United States also joining strikes against Tehran's nuclear program.
—Jennifer Cunningham, MSNBC Newsweek, 1 July 2025
Meanwhile, aerospace names continue to benefit from the India-Pakistan flare-up.
—Brendan Ahern, Forbes.com, 30 June 2025
Bryon Greenwald, a professor at National Defense University in Washington, D.C., questioned whether the attacks between Iran and Israel amounted to a war at all, or just a flare-up of a long-simmering conflict the countries have engaged in for decades.
—Erin Mansfield, USA Today, 30 June 2025
See All Example Sentences for flare-up
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Anne Marie D. Lee, CBS News, 1 July 2025
Iran Offer The flare-up between India and Pakistan has been overshadowed globally by the war between Israel and Iran, with the United States also joining strikes against Tehran's nuclear program.
—Jennifer Cunningham, MSNBC Newsweek, 1 July 2025
Meanwhile, aerospace names continue to benefit from the India-Pakistan flare-up.
—Brendan Ahern, Forbes.com, 30 June 2025
Bryon Greenwald, a professor at National Defense University in Washington, D.C., questioned whether the attacks between Iran and Israel amounted to a war at all, or just a flare-up of a long-simmering conflict the countries have engaged in for decades.
—Erin Mansfield, USA Today, 30 June 2025
See All Example Sentences for flare-up
Cite this Entry
“Flare-up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flare-up. Accessed 5 Jul. 2025.
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flare-up
noun
: a sudden appearance or worsening of the symptoms of a disease or condition
an asthmatic flare-up
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