countdown

[ kount-doun ]

/ ˈkaʊntˌdaʊn /

SEE SYNONYMS FOR countdown ON THESAURUS.COM

noun

the backward counting in fixed time units from the initiation of a project, as a rocket launching, with the moment of firing designated as zero.

the final preparations made during this period.

a period of increasing activity, tension, or anxiety, as before a deadline.

Origin of countdown

1950–55, Americanism; noun use of verb phrase count down

Words nearby countdown

countable, countably additive function, countably compact set, count against, countback, countdown, countenance, counter, counteract, counterargument, counterattack

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for countdown

Dickens greeted the crowd, gave a few tips and instructions, then led us in a countdown from ten to one.
Chicago’s Running of the Bulls|Hampton Stevens|July 26, 2014|DAILY BEAST
From Will Ferrell crashing a World Cup rally to a cliff dive Slip ‘n Slide, WATCH our countdown of this week’s buzziest videos.
Will Ferrell Soccer Speech, Cliff Dive Slip ‘N Slides, and More Viral Videos|Alex Chancey|June 29, 2014|DAILY BEAST
From Kimmel and Kanye burying the hatchet to a telekinetic coffee shop surprise, WATCH our countdown.
‘We Can’t Stop’ a Cappella, Coffee Shop Telekinesis & More Viral Videos|Natasha Bach|October 13, 2013|DAILY BEAST
The Countdown is on, but, as Kate knows, babies come when they are ready...
Kate's Last Day of Work Tomorrow Suggests Early July Due Date|Tom Sykes|June 12, 2013|DAILY BEAST

Or did I remember them creating a countdown calendar to the release date?
‘Great Gatsby’ Reviewers Divided: Is Baz Luhrmann a Good Director?|Kevin Fallon|May 9, 2013|DAILY BEAST
It was like the countdown for a rocket firing, Rick thought.
The Flaming Mountain|Harold Leland Goodwin
Although attentive, he was not tense, even during the countdown.
Subspace Survivors|E. E. Smith
From the loud-speaker atop the massive block-house came the countdown.
Make Mine Homogenized|Rick Raphael
During my countdown of five seconds you will build up to the greatest possible potential.
Masters of Space|Edward Elmer Smith
By agreement, the countdown was to be broadcast to all aircraft over one of the airport frequencies.
The Flaming Mountain|Harold Leland Goodwin

British Dictionary definitions for countdown

countdown

/ (ˈkaʊntˌdaʊn) /

noun

the act of counting backwards to time a critical operation exactly, such as the launching of a rocket or the detonation of explosives

verb count down (intr, adverb)

to count numbers backwards towards zero, esp in timing such a critical operation

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with countdown

count down

Count backward from any number to zero to indicate time, as in The final seconds before take off were counted down: 10, 9, 8, etc. The down in this term refers to the decreasing size of the numbers. This usage originated in connection with the firing of missiles and spacecraft and has since been broadened to such events as the roll call of states at a political convention. [c. 1950]

Make final preparations for an event, as in Hong Kong was counting down to the day when it became part of mainland China. This usage is derived from def. 1. [Late 1950s]

单词	countdown
释义	countdown [ kount-doun ] / ˈkaʊntˌdaʊn / SEE SYNONYMS FOR countdown ON THESAURUS.COM noun the backward counting in fixed time units from the initiation of a project, as a rocket launching, with the moment of firing designated as zero. the final preparations made during this period. a period of increasing activity, tension, or anxiety, as before a deadline. Origin of countdown 1950–55, Americanism; noun use of verb phrase count down Words nearby countdown countable, countably additive function, countably compact set, count against, countback, countdown, countenance, counter, counteract, counterargument, counterattack Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for countdown Dickens greeted the crowd, gave a few tips and instructions, then led us in a countdown from ten to one. Chicago’s Running of the Bulls\|Hampton Stevens\|July 26, 2014\|DAILY BEAST From Will Ferrell crashing a World Cup rally to a cliff dive Slip ‘n Slide, WATCH our countdown of this week’s buzziest videos. Will Ferrell Soccer Speech, Cliff Dive Slip ‘N Slides, and More Viral Videos\|Alex Chancey\|June 29, 2014\|DAILY BEAST From Kimmel and Kanye burying the hatchet to a telekinetic coffee shop surprise, WATCH our countdown. ‘We Can’t Stop’ a Cappella, Coffee Shop Telekinesis & More Viral Videos\|Natasha Bach\|October 13, 2013\|DAILY BEAST The Countdown is on, but, as Kate knows, babies come when they are ready... Kate's Last Day of Work Tomorrow Suggests Early July Due Date\|Tom Sykes\|June 12, 2013\|DAILY BEAST Or did I remember them creating a countdown calendar to the release date? ‘Great Gatsby’ Reviewers Divided: Is Baz Luhrmann a Good Director?\|Kevin Fallon\|May 9, 2013\|DAILY BEAST It was like the countdown for a rocket firing, Rick thought. The Flaming Mountain\|Harold Leland Goodwin Although attentive, he was not tense, even during the countdown. Subspace Survivors\|E. E. Smith From the loud-speaker atop the massive block-house came the countdown. Make Mine Homogenized\|Rick Raphael During my countdown of five seconds you will build up to the greatest possible potential. Masters of Space\|Edward Elmer Smith By agreement, the countdown was to be broadcast to all aircraft over one of the airport frequencies. The Flaming Mountain\|Harold Leland Goodwin British Dictionary definitions for countdown countdown / (ˈkaʊntˌdaʊn) / noun the act of counting backwards to time a critical operation exactly, such as the launching of a rocket or the detonation of explosives verb count down (intr, adverb) to count numbers backwards towards zero, esp in timing such a critical operation Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with countdown count down 1 Count backward from any number to zero to indicate time, as in The final seconds before take off were counted down: 10, 9, 8, etc. The down in this term refers to the decreasing size of the numbers. This usage originated in connection with the firing of missiles and spacecraft and has since been broadened to such events as the roll call of states at a political convention. [c. 1950] 2 Make final preparations for an event, as in Hong Kong was counting down to the day when it became part of mainland China. This usage is derived from def. 1. [Late 1950s] The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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