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.
Bedding Deals Swap heavy bedding for lightweight, cooling quilts, sheets, and gel fiber bed pillows to avoid overheating at night. Ali Faccenda, People.com, 17 Apr. 2025 Investigators said the Jeep had been recalled because its transmission could cause fluid to catch fire if overheated, according to WCBS. Joseph Wilkinson, New York Daily News, 15 Apr. 2025 Light and airy, eco-friendly bamboo fabric — used for clothing, sheets, towels and other household textiles — is touted for being soft on baby skin, hypoallergenic, moisture-wicking and breathable, which prevents overheating. Lisa Gutierrez, Kansas City Star, 11 Apr. 2025 Unlike other walking shoes that are heavy on the foam, your feet won’t overheat in these. Gabrielle Kassel, Glamour, 11 Apr. 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

Browse Nearby Words

Cite this Entry

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

More from Merriam-Webster on overheat

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!