overheat

verb

over·​heat ˌō-vər-ˈhēt How to pronounce overheat (audio)
overheated; overheating; overheats

transitive verb

1
: to heat to excess
2
: to stimulate or agitate unduly

intransitive verb

: to become heated beyond a safe or desirable point

Examples of overheat in a Sentence

I overheated the food in the microwave. Be careful not to overheat the engine.
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.
This option is suitable for individuals who enjoy the feel of memory foam but are concerned about overheating. Jené Luciani Sena, Fox News, 6 Mar. 2025 But tax cuts could worsen America’s debt load and drive borrowing costs even higher, energy companies are not jumping at the chance to drill more while demand slumps, and writing stimulus checks could overheat the economy — and reignite inflation. Elisabeth Buchwald, CNN, 21 Feb. 2025 The 100 percent cotton fabric is super lightweight, meaning you won’t get overheated easily while wearing it. Genevieve Cepeda, Travel + Leisure, 15 Feb. 2025 Other than the composition, LFP batteries are less costly, have a longer lifespan, are less likely to overheat or catch fire, and are more environmentally friendly. New Atlas, 7 Feb. 2025 See All Example Sentences for overheat

Word History

First Known Use

14th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of overheat was in the 14th century

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Cite this Entry

“Overheat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overheat. Accessed 22 Mar. 2025.

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