time is up

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time is up

The amount of time allowed to do or complete something is over. OK, everyone put your pencils down, your time is up. I enjoyed trying out the virtual reality machine, but my time was up before I could really get into it.
See also: time, up

Time is up.

Fig. The allotted time has run out. You must stop now. Your time is up. Time's up! Turn in your tests whether you're finished or not.
See also: time, up

time is up

The period of time allowed for something is ended, as in Turn in your papers, students; time is up. This idiom uses up in the sense of "completed" or "expired," a usage dating from about 1400.
See also: time, up