flare (up) 1 of 2

verb

Definition of flare (up)next
1
as in to anger
to become very angry naturally I flared up when he insulted me

Synonyms & Similar Words

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Antonyms & Near Antonyms
2
as in to erupt
to develop suddenly and violently my allergies always flare up in the spring

Synonyms & Similar Words

flare-up

2 of 2

noun

ˈfler-ˌəp How to pronounce flare-up (audio)
1
as in flurry
a sudden and usually temporary growth of activity took medication to prevent a flare-up of her asthma

Synonyms & Similar Words

Antonyms & Near Antonyms
2
as in explosion
a sudden intense expression of strong feeling there's no need for an angry flare-up, as we'll take care of the problem immediately

Synonyms & Similar Words

Example Sentences

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.
Recent Examples of flare (up)
Noun
The sun’s intense flare-ups had put the telescope on a downward spiral faster than engineers anticipated. — Marcia Dunn, Los Angeles Times, 27 Sep. 2026 The sun's intense flare-ups had put the telescope on a downward spiral faster than engineers anticipated. — Arkansas Online, 26 Sep. 2026 Since the staging area for firefighters, utility workers, national guard, and police was next to our house, for the next few days firefighters were able to put out flare-ups in and around our backyard. — The Christian Science Monitor, Christian Science Monitor, 25 Sep. 2026 Air fresheners, perfumes, cleaning supplies and paint spark allergy flare-ups that can last for 10 days. — Maven Navarro, Fort Worth Star-Telegram, 18 Sep. 2026 See All Example Sentences for flare (up)
Recent Examples of Synonyms for flare (up)
  1. anger
  2. erupt
  3. flurry
  4. explosion
  5. snarl
  6. explode
  7. burst
  8. outburst
Verb
  • Data center demand began driving up electric bills last year across a 13-state electricity grid stretching from Illinois to New Jersey and Maryland, angering ratepayers.
    — Marc Levy, Los Angeles Times, 22 Oct. 2026
  • Indeed, the survey showed that use of the horn is the most common action when drivers consider another driver to be annoying or angering them.
    — Staff Report, Hartford Courant, 22 Oct. 2026
Definition of anger
Verb
  • Still, when the measles outbreak erupted, Bangladesh responded swiftly and initially seemed to be winning the battle.
    — Arkansas Online, Arkansas Online, 18 Oct. 2026
  • Multiple people were killed and dozens more were injured when an explosion erupted at a Canadian military base, according to authorities.
    — ABC News, ABC News, 18 Oct. 2026
Definition of erupt
Noun
  • The interview in The Bookman had inaugurated what turned into a flurry of correspondence with his old clerk in the spring of 1892.
    — Literary Hub, Literary Hub, 20 Oct. 2026
  • Despite a flurry of beauty M&A activity in 2025 — a record 384 deals globally, to be specific — average deal value is on the decline.
    — Noor Lobad, Footwear News, 20 Oct. 2026
Definition of flurry
Noun
  • In the 1960s America launched the Vela fleet of satellites, whose sole task was to look at Earth’s surface and search for any telltale neutrons, x-rays and gamma rays—extremely high-energy particles—coming from a nuclear explosion.
    — Robin George Andrews, Scientific American, 20 Oct. 2026
  • Most of these fragments were generated by explosions and orbital collisions that shattered satellites and used rocket stages into clouds of dangerous debris.
    — Tereza Pultarova, Space.com, 20 Oct. 2026
Definition of explosion
Verb
  • Kerry McCoy’s guitar juices up a mid-song gallop by abruptly pivoting from big and noisy to compressed and snarling; at the climax, everything cuts out for a second to spotlight a Daniel Tracy drum fill.
    — Patrick Lyons, Pitchfork, 13 Oct. 2026
  • Stepping into the band’s lead guitarist role was Nick Johnston, a forceful presence delivering crisp musical phrases that could be fittingly elegant or snarling.
    — Steve Appleford, Los Angeles Times, 12 Oct. 2026
Definition of snarl
Verb
  • Nearly 2,400 people were arrested in France on Saturday after long-simmering protests exploded into some of the country’s most disruptive unrest in years.
    — Brendan Ruberry, semafor.com, 18 Oct. 2026
  • When Louise would remember the show decades later, the audience was always so electric that the room exploded into stamping feet and pounding fists.
    — Christopher Borrelli, Chicago Tribune, 18 Oct. 2026
Definition of explode
Noun
  • Berg, working with DP Jacques Jouffret, favors close shots that force us to experience battle much like our heroes do, as confusing, terrifying bursts of mayhem.
    — Angie Han, HollywoodReporter, 23 Oct. 2026
  • The heaviness comes from the fact that the artist died in April, at age forty-six, but it’s also embedded in the paintings on view—in the bursts of fire and swirling floods that mark them.
    — Dan Stahl, New Yorker, 23 Oct. 2026
Definition of burst
Noun
  • Rushing went through a learning curve juggling his defensive and offensive responsibilities, and navigating intense online scrutiny of his outbursts on the field and in the dugout.
    — Maddie Lee, Los Angeles Times, 21 Oct. 2026
  • From harassing Brady over his divorce from Gisele Bündchen on social media to trying to be a rapper and much more, Brown’s post-football life has been one filled with public outbursts and controversial statements and stunts.
    — Scott Thompson OutKick, FOXNews.com, 19 Oct. 2026
Definition of outburst

Browse Nearby Words

flares (up)
flare (up)
flare-up
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Cite this Entry

“Flare (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/flare%20%28up%29. Accessed 26 Oct. 2026.

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