overheat

verb

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

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.
While traveling to their headquarters on the west coast of Florida in 1939, the troupe’s car overheated on the Tamiami Trail near Southwest 107th Avenue. Miami Herald Archives, Miami Herald, 25 Dec. 2025 But avoiding overheating in the face of rising temperatures is also exposing farmworkers to higher levels of air pollution. Alonso Daboub, Mercury News, 22 Dec. 2025 Some models overheat or turn on by accident. Ashlyn Needham, Southern Living, 21 Dec. 2025 This device can take your dead phone and charge it up to 50 percent in under 30 minutes without overheating. Caroline Hughes, Travel + Leisure, 21 Dec. 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 27 Dec. 2025.

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