heat wave

noun

Definition of heat wavenext
as in dog days

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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 heat wave As California’s heat wave begins to decay this week, the lower of atmospheric pressure over the state has pulled some of that smoke southward to the Golden State. — Sean MacAday, Sacbee.com, 4 Aug. 2026 Environmentalist and dive groups say the Corps is violating the Endangered Species Act by not incorporating recent findings by researchers on the alarming condition of endangered staghorn following a massive 2023 ocean heat wave. — Jenny Staletovich, Miami Herald, 30 July 2026 That effort was spurred by what union members claim were execrable working conditions to which they were subjected during the recent heat wave that gripped London. — News Desk, Artforum, 30 July 2026 Southern California faces an extreme heat wave beginning Friday. — Alex Wigglesworth, Los Angeles Times, 30 July 2026 See All Example Sentences for heat wave
Recent Examples of Synonyms for heat wave
heat
Noun
  • Engineered to protect hair from extreme heat, the Supersonic™ Travel uses intelligent heat control to measure temperature 100 times per second for healthier-looking, softer-feeling hair.
    — Condé Nast Traveler, Condé Nast Traveler, 4 Aug. 2026
  • Extreme heat in Europe is becoming increasingly frequent, evolving from a purely climate issue into an economic challenge.
    — , CNBC, 4 Aug. 2026
Definition of heat

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heat-treats
heat wave
heave
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Cite this Entry

“Heat wave.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heat%20wave. Accessed 9 Aug. 2026.

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More from Merriam-Webster on heat wave

Britannica.com: Encyclopedia article about heat wave

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