cooldown

noun

cool·​down ˈkül-ˌdau̇n How to pronounce cooldown (audio)
Synonyms of cooldownnext
: the act or an instance of allowing physiological activity to return to normal gradually after strenuous exercise by engaging in less strenuous exercise

Examples of cooldown in a Sentence

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.
From a fatal weekend crash on the I-184 Connector to a sudden summer cooldown, here’s a roundup of top stories the Idaho Statesman has published this week. Chadd Cripe. Produced With Ai Assistance, Idaho Statesman, 24 June 2026 In the broader Central European region, peak heat is expected from this weekend into June 29, followed by a gradual cooldown arriving between June 30 and July 1. Janet Loehrke, USA Today, 24 June 2026 Clouds could even appear Friday morning, marking the arrival of the next cooldown. Sean MacAday, Sacbee.com, 22 June 2026 The cooldown in the hottest spots will be gradual. Rick Hurd, Mercury News, 9 June 2026 See All Example Sentences for cooldown

Word History

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of cooldown was in 1976

Browse Nearby Words

Cite this Entry

“Cooldown.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cooldown. Accessed 25 Jun. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster