Countdown
Countdown noun - Counting backward from an arbitrary number to indicate the time remaining before some event (such as launching a space vehicle).
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Synonyms for Countdown
Opening and countdown are semantically related. In some cases you can use "Opening" instead a noun "Countdown".
Mutual synonyms
Both words in one sentence
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It really is 38 minutes from the Gate opening to it closing, and the countdown towards the resolution is accurate.
Source: Magic Countdown - After a countdown, the missiles would be launched without opening the tubes, blowing up the ship.
Source: Literature / Blindfold -
Dream Ski Cross is a Mario Kart pastiche, right down to the opening fanfare and countdown.
Source: Nostalgia Level
Cite this Source
Opening and Countdown. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/countdown/opening
Countdown & Opening. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/countdown/opening>.
Opening or Countdown. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/countdown/opening.
Google Ngram Viewer shows how "countdown" and "opening" have occurred on timeline