To remove something from something that is supporting it: I took the books off the shelf. I took off all the vases from the ledge and dusted them. Please take the clothes off the clothesline.
2. To remove some article of clothing: She took her coat off. I'll take off my boots.
3. To release something that holds or restrains: I took the brake off and the car began to roll. Take the top straps off your boots and you'll be more comfortable. The driving instructor never takes off the seatbelt in the car.
4. To deduct some amount from some quantity: The discount dealer took ten percent off the normal price. The teacher takes off five points for each mistake on the quiz.
5. To leave, especially quickly: As soon as I told them you were coming, they took off. We took off to the beach for the weekend.
6. To rise into the air or begin flight: The plane took off on time.
7. To increase greatly in activity, success, or number: The actor's career took off. That new movie really took off. Sales took off around the holidays.