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
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.
The countdown clock was almost finished. Jeff Spry, Space.com, 10 Dec. 2025 As for these youngsters, the holiday event means the countdown to Christmas is officially on, with a visit from Santa not too soon away. Alicia Roberts, CBS News, 10 Dec. 2025 Chicago native Chance the Rapper will lead the show’s first-ever Central time zone countdown from Chicago. Paul Grein, Billboard, 10 Dec. 2025 The countdown to goodbye officially begins. Okla Jones, Essence, 9 Dec. 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 16 Dec. 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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