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.
The secret to squeezing out those extra miles per second is in balancing motor power and battery output without overheating, while slashing aerodynamic drag and weight. New Atlas, 6 Feb. 2026 The paper towels will help absorb grease and crisp up the bacon without overheating. Katie Rosenhouse, Southern Living, 6 Feb. 2026 Remove layers to avoid overheating, sweating and subsequent chill. Evan Moore, Charlotte Observer, 5 Feb. 2026 The shorter hem falls at the shins, keeping you comfortable without overheating. Nicol Natale, PEOPLE, 4 Feb. 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 9 Feb. 2026.

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