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.
How to treat heat illness Lightheadedness is often a common symptom when people begin to overheat. Michelle Marchante june 13, Miami Herald, 13 June 2026 There are paramedics on bikes and golf carts riding around here to look out for people who may be overheating. Madeline Montgomery, CBS News, 12 June 2026 Quince’s wide-leg pants deliver effortless comfort and style without overheating. Jacquelyn McGilvray, PEOPLE, 12 June 2026 The same mixed fortunes continued on Sunday, when the young Brazilian finished 12th, while Hulkenberg retired due to engine overheating. Jerry Perez, The Drive, 11 June 2026 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 16 Jun. 2026.

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