quit in WordNet English dictionary

1. put an end to a state or an activity
   "Quit teasing your little brother"
   discontinue  stop  cease  give up  quit  lay off 
   
2. give up in the face of defeat of lacking hope; admit defeat
   "In the second round, the challenger gave up"
   drop out  give up  fall by the wayside  drop by the wayside  throw in  throw in the towel  quit  chuck up the sponge 
   
3. go away or leave
   depart  take leave  quit 
   
4. turn away from; give up
   "I am foreswearing women forever"
   foreswear  renounce  quit  relinquish 
   
5. give up or retire from a position
   "The Secretary of the Navy will leave office next month"; "The chairman resigned over the financial scandal"
   leave office  quit  step down  resign