Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun countdown

1 sense of countdown

Sense 1
countdown -- (counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle))
       => count, counting, numeration, enumeration, reckoning, tally -- (the act of counting; reciting numbers in ascending order; "the counting continued for several hours")

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