quit

verb

1. 1

   give up in the face of defeat of lacking hope; admit defeat

   In the second round, the challenger gave up

2. 2

   go away or leave

3. 3

   turn away from; give up

   I am foreswearing women forever

4. 4

   give up or retire from a position

   The Secretary of the Navy will leave office next month

   The chairman resigned over the financial scandal

5. 5

   put an end to a state or an activity

   Quit teasing your little brother