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.
As its predecessor did in 2024, the W16 has struggled in the heat at times with tires overheating. Madeline Coleman, New York Times, 2 June 2025 Holm said halfway into the 30-minute flight, the pilots noticed an issue with the engine on the left side of the plane, which had overheated. Nicole Blanchard, Idaho Statesman, 31 May 2025 Smartwool’s merino blend provides warmth without overheating. Alice Bennett, Travel + Leisure, 29 May 2025 Lithium-ion batteries degrade over time and can overheat if charged beyond their capacity and cause fires, according to FEMA’s U.S. Fire Administration. David Matthews, New York Daily News, 28 May 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 9 Jun. 2025.

More from Merriam-Webster on overheat

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