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.
The group notes that people using that option should use newer box fans, and be sure the motor is clean to reduce the risk of overheating. Bill Chappell, NPR, 10 Jan. 2025 Remove all covers as soon as the weather has passed so that your plants have access to sunlight and don't overheat. Brandee Gruener, Southern Living, 6 Jan. 2025 There are other signs, though, that the market is overheated. Jeff Cox, CNBC, 2 Jan. 2025 Michael Hartnett, chief investment strategist at BofA Global Research, previously noted that economic optimism—based on expectations for economic growth and other indicators—is now at its highest level since August 2021, another signal that sentiment might be overheated. Paul Du Quenoy, Newsweek, 1 Jan. 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

Dictionary Entries Near overheat

Cite this Entry

“Overheat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overheat. Accessed 21 Jan. 2025.

Last Updated: - Updated example sentences
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