v.1. To remain at a distance from something, especially something that should be avoided: You should keep away from fallen electrical wires after storms so that you don't get electrocuted. The dog is in a bad mood, so you should keep away.
2. To cause someone or something to remain at a distance from something: Keep your cat away from my dog! Keep the candy away—I'm on a diet.
3. To refrain from using or doing something, especially something harmful: The doctor said I should keep away from alcohol.
4. To cause someone or something to refrain from doing something: Nothing could keep me away from a quick trip to visit you. I love to ski in the winter, and nothing could keep me away.