countdown

noun

count·​down ˈkau̇nt-ˌdau̇n How to pronounce countdown (audio)
Synonyms of countdownnext
: 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
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The original countdown was suspiciously Toy Story themed, with a background that looked like the wallpaper in Andy’s room. Alejandra Gularte, Vulture, 1 May 2026 Shirts, cups, banners, souvenirs, bright reminders that the countdown has begun. Tania Navarro, San Diego Union-Tribune, 1 May 2026 The countdown started when the president formally notified lawmakers March 2, meaning the deadline is Friday, May 1. Christopher Cann, USA Today, 30 Apr. 2026 The countdown to the opening match on June 11 starts here! The Athletic Uk Staff, New York Times, 30 Apr. 2026 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 5 May. 2026.

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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