Translate countdown | into French | into German | into Italian | into Spanish Definition of countdown
noun
[usually in singular] an act of counting numerals in reverse order to zero, especially to time the last seconds before the launching of a rocket or missile:the launch crews would begin their final countdown (often
countdown to)
the final moments before a significant event and the procedures carried out during this time:it is hard to imagine the countdown to war continuing without an intensification of diplomacy a digital display that counts down.