1 [intransitive, transitive] (informal) to leave your job, school, etcIf I don't get more money I'll quit.quit as something He has decided to quit as manager of the team.quit something He quit the show last year because of bad health. (North American English) She quit school at 16.
2 [transitive, intransitive] (informal, especially North American English) to stop doing somethingquit doing something I've quit smoking.quit (something) Just quit it!We only just started. We're not going to quit now.3 [transitive, intransitive] quit (something) to leave the place where you liveWe decided it was time to quit the city.The landlord gave them all notice to quit.
4 [intransitive, transitive] quit (something) to close a computer program or application

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