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.
How to celebrate countdown to 2026. Kristie Keleshian, CBS News, 28 Dec. 2025 These modules have a 25-year shelf life, and the countdown has already begun. Mrigakshi Dixit, Interesting Engineering, 26 Dec. 2025 The Kansas City Zoo & Aquarium will have an early countdown on New Year’s Eve. Rashad Alexander december 26, Kansas City Star, 26 Dec. 2025 How women can take action early The decades of one’s 30s and 40s don’t need to be a countdown to decline, but instead, an opportunity to build metabolic resilience. Anna Barton Bradley, The Conversation, 26 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 31 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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