2.to fall off something that you are riding
3.if something such as dirt or paint comes off something, it is removed by washing or rubbing; to stop being attached to something
4.to stop taking something such as a medicine or drug
7.to achieve a particular result in an activity, especially a competition or fight
8.to leave a sports field and be replaced by another member of your team
9.used for telling someone to stop doing or saying something; used for telling someone that you do not believe them or that what they are saying is stupid