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off

off [ awf, of ] CORE MEANING: a grammatical word used to indicate separation or distance between two points, especially movement away from the speaker
 (adv)  He ran off before I could stop him.
 (prep)  The bottle rolled off the ledge and fell to the floor.
Definition:
 
1. preposition so as to leave: so as to come out of or leave a bus, train, or plane
Check you have all your belongings before getting off the bus.
He got off at the next stop.

2. preposition so as to keep away from: so as to keep away from, avoid stepping on, or be at a distance from or to the side of
The sign said "Please keep off the grass."
I stepped off the curb.

3. preposition away from work: away from work or usual duties owing to illness, holidays, or normal nonwork time
trying to get time off work to visit her in the hospital
I didn't see Jane - it must be her night off.

4. preposition reduced by: so as to be reduced by a particular amount
10 percent off all swimwear this week
She knocked $10 off for the slight stain on the sleeve.

5. preposition in future: a particular distance away in the future
My fortieth birthday is only two years off!

6. preposition so as to remove: so as to eliminate or remove something from view
The dirt should wash off easily.
He was rubbing something off the board when I came in.

7. adverb to distant place: so as to be away from the present location
He hopped in the car, started it up, and took off.

8. adverb away: at a particular physical distance away
The nearest stop's about two miles off.

9. adverb measured: so as to be divided or measured
Measure the gap, mark it off with a pencil, and cut the wood to size.

10. adverb to completion: to the point of completion
We're trying to get our bills paid off.

11. adverb into particular state: into a particular state, especially an unconscious state
The baby dozed off on the way over here.

12. preposition abstaining from: no longer participating in or using
I'm off caffeine for a week.

13. preposition on diet of: using as a means of subsistence
living off vegetables from our garden

14. preposition leading away from: near or next to, and leading or branching away from
He lives in an apartment block just off the main street.

15. preposition not liking: no longer inclined toward
I'm really off horror movies at the moment.

16. preposition from: used to show the initiator or source of an action ( nonstandard )
I got these sunglasses off my sister for my birthday.

17. adverb not in operation: not functioning or in use
Shall I switch the engine off?
Make sure the lights are off before you leave.
the off switch

18. adverb canceled: so as to be no longer taking place
The deal's off.

19. adjective no longer fresh: smelling and tasting bad because of being no longer fresh
We had to throw the fish away - it was going off.

20. adjective in particular condition: in a particular condition with regard to something
How are you off for cash?

21. adjective not correct: in error or out of alignment

22. adjective on the right of: situated on the right side of a vehicle, farthest away from the curb

23. adjective unacceptable: not up to normal or acceptable standards ( informal )
He was off his game today.

24. noun cricket part of cricket field: the side of the cricket field facing the batsman taking strike

[ Old English. Originally an emphatic variant of of]

off and on occasionally


Word Usage

There are two usages of off that should be avoided in formal writing. The first involves off plus of: The actors stepped off [not off of] the stage. The second problem involves the use of off after certain verbs like buy or borrow, which mean "to obtain something from a source": I bought the computer from [not off] my roommate.

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