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 Expect a scorching start to September in Washington DC, where a heat wave will bring high temperatures and humidity. — Mike Stunson, USA Today, 1 Sep. 2026 By August, nearly 97 million people were under dangerous heat conditions during another major heat wave, with heat indexes in some places expected to reach 115°F, according to the Associated Press. — Ryan Brennan, Miami Herald, 1 Sep. 2026 Osnato said a severe heat wave cut European wheat production by roughly 8 million to 10 million tons, while drought also reduced hard red winter wheat output in Texas, Oklahoma and Kansas. — Deena Zaidi, CNBC, 28 Aug. 2026 But Navarrete said that development is still too far out into the future to determine whether a heat wave will occur. — Rick Hurd, Mercury News, 27 Aug. 2026 See All Example Sentences for heat wave
Recent Examples of Synonyms for heat wave
heat
Noun
  • Return to medium-high heat, cover pan with a tight-fitting lid, and cook until mussels open and sauce is bubbling, 5–7 minutes.
    — Claire Wadsworth, Bon Appetit Magazine, 1 Sep. 2026
  • Staying safe in Pittsburgh's heat Allegheny County encouraged residents to check on neighbors, friends and family, particularly older adults or people with health conditions.
    — Finch Walker, USA Today, 1 Sep. 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 5 Sep. 2026.

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More from Merriam-Webster on heat wave

Britannica.com: Encyclopedia article about heat wave

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