Off

1. so as to be no longer supported or attached: This button is about to come off. 2. so as to be no longer covering or enclosing: to take a hat off; to take the wrapping off. 3. away from a place: to run off; to look off toward the west. 4. away from a path, course, etc.; aside: This road branches off to Grove City. 5. so as to be away or on one's way: to start off early; to cast off. 6. away from what is considered normal, regular, standard, or the like: to go off on a tangent. 7. from a charge or price: He took 10 percent off for all cash purchases. 8. at a distance in space or future time: to back off a few feet; Summer is only a week off. 9. out of operation or effective existence: Turn the lights off. 10. into operation or action: The alarm goes off at noon. 11. so as to interrupt continuity or cause discontinuance: Negotiations have been broken off. 12. in absence from work, service, a job, etc.: two days off at Christmas. 13. completely; utterly: to kill off all the inhabitants. 14. with prompt or ready performance: to dash a letter off. 15. to fulfillment, or into execution or effect: The contest came off on the appointed day. 16. into nonexistence or nothingness: My headache passed off soon. 17. so as to be delineated, divided, or apportioned: Mark it off into equal parts. 18. away from a state of consciousness: I must have dozed off. 19. Nautical. away from the land, a ship, the wind, etc.