Definition of off adverb from the Oxford Advanced American Dictionary

      

    off

     adverb
    adverb
    NAmE//ɔf//
     
    , NAmE//ɑf//
     
     
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  1. 1 For the special uses of off in phrasal verbs, look at the entries for the verbs. For example, come off is in the phrasal verb section at come. away from a place; at a distance in space or time I called him but he ran off. Sarah is off in India somewhere. I need to be off soon (= leave). Off you go! Summer's not far off now. A solution is still some way off.
  2. 2used to say that something has been removed He's had his beard shaved off. Take your coat off. Don't leave the toothpaste with the top off.
  3. 3starting a race They're off (= the race has begun).
  4. 4 no longer going to happen; canceled The wedding is off.
  5. 5not connected or functioning The water is off. Make sure the TV is off.
  6. 6 away from work or duty She's off today. I've got three days off next week. How many days did you take off? I need some time off.
  7. 7taken from the price shoes with $20 off All shirts have/are 10% off.
  8. 8behind or at the sides of the stage in a theater synonym offstage
  9. Idioms
    be better/worse off (doing something)
     
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    to be in a better or worse situation She's better off without him. The weather was so bad we'd have been better off staying at home. We can't be any worse off than we are already.
    be well/better/badly, etc. off
     
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    used to say how much money someone has Families will be better off under the new law (= will have more money). They are both comfortably off (= have enough money to be able to buy what they want without worrying too much about the cost).
    off and on/on and off
     
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    from time to time; now and again It rained on and off all day.
See the Oxford Advanced Learner's Dictionary entry: off