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.
As someone who overheats easily, shorts and I are the best of friends in summer. Alyssa Grabinski, PEOPLE, 16 May 2026 These systems are intended to monitor battery conditions in real time and prevent overheating during large-scale operation. Neetika Walter, Interesting Engineering, 15 May 2026 Surging inflation may lead to interest rates that stay higher for longer, in order to prevent the economy from overheating. Allie Canal, NBC news, 12 May 2026 Crafted from a signature modal blend, these pieces deliver a silky-smooth feel with lightweight airflow that won't cling or overheat. ABC News, 12 May 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 19 May. 2026.

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