quit

to stop doing something completely

to have the good judgment to stop doing something at the right time, before problems occur

used to specify the role or position someone is leaving

used to indicate the reason for quitting, usually a disagreement

often used when talking about stopping a bad habit like smoking

to make a conscious choice to leave a job or stop an activity

to state one's intention to leave, often as a way to demand change

to be prepared or willing to stop or leave