countdown

noun

count·​down ˈkau̇nt-ˌdau̇n How to pronounce countdown (audio)
: an audible backward counting in fixed units (such as seconds) from an arbitrary starting number to mark the time remaining before an event
also : preparations carried on during such a count
count down intransitive verb

Examples of countdown 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.
More bespoke elements include a countdown timer, map, and carveout for custom HTML/CSS. PC Magazine, 3 June 2025 The display remains dormant until activated, then delivers real-time updates such as race countdowns, team alerts, and GMT with country selectors. Matthew Catellier, Forbes.com, 29 May 2025 The countdown to summer is on, which means now is the perfect time to freshen up your outdoor space. Emily Weaver, People.com, 25 May 2025 The Rani affixes the vindicator to a giant clock and begins a countdown … for something. Jennifer Zhan, Vulture, 24 May 2025 See All Example Sentences for countdown

Word History

First Known Use

circa 1952, in the meaning defined above

Time Traveler
The first known use of countdown was circa 1952

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Cite this Entry

“Countdown.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/countdown. Accessed 7 Jun. 2025.

Kids Definition

countdown

noun
count·​down ˈkau̇nt-ˌdau̇n How to pronounce countdown (audio)
: the process of counting off backward in fixed units (as seconds) the time remaining before an event (as the launching of a rocket)

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