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 Apple has a website to help fans keep track of the countdown and has produced shoulder content on Apple Music Radio. James Powel, USA TODAY, 20 May 2024 My struggle morphed into politely getting this appliance antihero off the phone, which took about 500 NASA countdowns. Denise Snodell, Kansas City Star, 8 May 2024 See all Example Sentences for countdown 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'countdown.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1952, in the meaning defined above

Time Traveler
The first known use of countdown was circa 1952

Dictionary Entries Near countdown

Cite this Entry

“Countdown.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

Kids Definition


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)
Last Updated: - Updated example sentences
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