1 informal : to leave (a job, school, career, etc.) [+ obj] ▪ He quit his job. ▪ She quit college after one semester. ▪ She decided to quit show business. ▪ He quit teaching after five years. [no obj] ▪ Many workers are quitting because of poor pay. ▪ She hates her job and she's thinking about quitting. ▪ I quit!2 chiefly US, informal : to stop doing (an action or activity) [+ obj] ▪ She quit smoking/drinking years ago. ▪ I wish you would quit bothering her. ▪ He angrily told her to quit it. [=to stop doing what she was doing] [no obj] ▪ We're going to quit for the day. It's too hot to keep working.3 [no obj] informal : to stop working
▪ The engine suddenly quit. ▪ The car quit [=broke down] a few miles down the road.4 formal : to leave (the place where you live) [+ obj] ▪ They quit the city for a quiet life in the country. ▪ The landlord gave the tenants notice to quit the premises. [=the landlord formally told them that they had to leave] [no obj] ▪ The landlord gave the tenants notice to quit.
▪ The engine suddenly quit. ▪ The car quit [=broke down] a few miles down the road.