Definition: refrain from entering or walking onto
Usage: keep off the grass; stay off the premises
Similar words: avoid
Definition: stay clear from; keep away from; keep out of the way of someone or something
Usage: Her former friends now avoid her
Definition: refrain from certain foods or beverages
Usage: I keep off drugs; During Ramadan, Muslims avoid tobacco during the day
Similar words: desist, abstain, refrain
Definition: choose not to consume
Usage: I abstain from alcohol