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count down

Idioms  
  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]


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Workers at Butterfly Effect, an artificial-intelligence startup with Chinese roots, gathered in March to count down to the launch of a demo of a new AI-powered tool called Manus.

From The Wall Street Journal Dec. 31, 2025

The number of active U.S. oil rigs has fallen by 65 so far this year, with the weekly count down by six, to 414 rigs as of Oct.

From MarketWatch Nov. 5, 2025

The victory at Allianz Stadium, Twickenham, extends the Red Roses' winning run to 25 games as they count down to the home Rugby World Cup that starts in August.

From BBC Apr. 26, 2025

I am marking each day on the calendar with a big “X” as I count down the next two weeks.

From Salon Jan. 7, 2025

The days of the week did not match up, but she could still count down to when her parents would return.

From "Fablehaven" by Brandon Mull

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