Definition of "call it a day" in English

Verb

1. To cease an activity. .mw-parser-output .defdate{font-size:smaller}

   • We have been at this for hours; let’s call it a day and come back tomorrow when we are fresh.

2. To retire.

   • After suffering massive losses for three years in a row, the boss decided to call it a day, and sold his company.

3. To end a period of activity, either because it is unsuccessful or because enough has been done.

   • After he was reprimanded for slacking on the job, they decided to call it a day and fire Allen.