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.
State health and labor officials hope that new workplace regulations will help workers avoid overheating on the job, as Maryland enters the annual heat season following a deadly 2024 summer. Danielle J. Brown, Baltimore Sun, 11 May 2025 The shoe features lightweight cushioning that provides a bouncy step without weighing you down, and the breathable mesh upper ensures your feet won’t overheat, even in warm climates. Genevieve Cepeda, Travel + Leisure, 6 May 2025 Passengers are encouraged to notify their flight crew immediately if their devices become lodged in between seats, as this can lead to overheating, expanding, smoking or burning. Moná Thomas, People.com, 1 May 2025 Color Avoid using metal or dark plastic containers in full sun, as these materials can absorb and retain heat, potentially overheating the soil and damaging the roots. Kait Hanson, Southern Living, 23 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 May. 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!