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.
Medusa operates a data-leak site that shows victims alongside countdowns to the release of information. Boston Herald Wire Services, Boston Herald, 15 Mar. 2025 The return of the Shamrock Shake is as much a countdown to spring as the first warm day in March. Stephanie Gravalese, Forbes, 14 Mar. 2025 The countdown to the first post-enlistment BTS tour begins now. Abby Webster, Billboard, 14 Mar. 2025 If the launch goes up, the quartet are slated to arrive to the ISS at 11:30 p.m. Saturday, which would start the countdown for the Crew-9 mission to return home. Richard Tribou, Orlando Sentinel, 14 Mar. 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 29 Mar. 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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