v. & adj.
v.tr. (quitting; past and past part. quitted or quit) 1 (also absol.) give up; let go; abandon (a task etc.). 2 US cease; stop (quit grumbling). 3 a leave or depart from (a place, person, etc.). b (absol.) (of a tenant) leave occupied premises ( esp. notice to quit). 4 (refl.) acquit; behave ( quit oneself well).
predic.adj. (foll. by of) rid (glad to be quit of the problem). quit hold of loose.
[ ME f. OF quitte, quitter f. med.L quittus f. L quietus QUIET ]