Definition of night noun from the Oxford Advanced Learner's Dictionary

      

    night

     noun
    noun
    BrE BrE//naɪt//
     
    ; NAmE NAmE//naɪt//
     
    [uncountable, countable]
     
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  1. 1  the time between one day and the next when it is dark, when people usually sleep These animals only come out at night. They sleep by day and hunt by night. The accident happened on Friday night. on the night of 10 January/January 10 Did you hear the storm last night? I lay awake all night. Where did you spend the night? You're welcome to stay the night here. What is he doing calling at this time of night? You'll feel better after you've had a good night's sleep. The trip was for ten nights. The hotel costs €65 per person per night. the night train/boat/flight Night fell (= it became dark).
  2. 2  the evening until you go to bed Let's go out on Saturday night. Bill's parents came for dinner last night. She doesn't like to walk home late at night. I saw her in town the other night (= a few nights ago). I'm working late tomorrow night. see also goodnight
  3. 3an evening when a special event happens the first/opening night (= of a play, film/movie, etc.) a karaoke night an Irish/a Scottish, etc. night (= with Irish/Scottish music, entertainment, etc.) see also stag night
  4. Word Origin Old English neaht, niht, of Germanic origin; related to Dutch nacht and German Nacht, from an Indo-European root shared by Latin nox and Greek nux.Extra examples Ask your Mum if you can stay the night. Fancy a night out? He had plans to spend a quiet night at home. He spent another lonely night in front of the television. I lie awake at night worrying. I saw her the other night. I think I’ll have an early night. I was getting myself ready for a night out. I woke in the night. One fateful night he was involved in an accident that changed his life forever. Paris by night She doesn’t like to walk home late at night. She kissed him good night. The hotel costs €265 per person per night. The night fell quickly. They decided to make a night of it and went on to a club. They spent the night in Bristol. a drunken night of partying the last night of the play’s run Did you hear the storm last night? I lay awake all night. I’m taking the night train. I’m working late tomorrow night. My mother-in-law came for dinner last night. Some nights he comes home late. These animals only come out at night. They sleep by day and hunt by night. What is he doing calling at this time of night? Where did you spend the night? Where were you on the night of 10 January? You’ll feel better after a good night’s sleep. You’re welcome to stay the night here.Idioms to dance for the whole evening or night
    have an early/a late night
     
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    to go to bed earlier or later than usual I've had a lot of late nights recently.
    to sleep well/badly during the night
    have a night on the tiles
     
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    (British English, informal) to stay out late enjoying yourself
    in the dead of night(British English also at dead of night)
     
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    in the quietest part of the night I crept out of bed in the dead of night and sneaked downstairs.
    it’ll be all right on the night
     
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    (saying) used to say that a performance, an event, etc. will be successful even if the preparations for it have not gone well
    morning, noon and night
     
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    at all times of the day and night (used to emphasize that something happens very often or that it happens continuously) She talks about him morning, noon and night. The work continues morning, noon and night.
    night and day, day and night
     
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    all the time; continuously The machines are kept running night and day. The store is open day and night.
    used by children or to children, to mean ‘Good night’ ‘Night night, sleep tight!’ an evening that you spend enjoying yourself away from home They enjoy a night out occasionally.
      spend the night with somebody
       
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    1. 1to stay with somebody for a night My daughter's spending the night with a friend.
    2. 2(also spend the night together) to stay with somebody for a night and have sex with them
    (literary) the time during the night when it is quiet and calm
    things that go bump in the night
     
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    (informal, humorous) used to refer to ghosts and other supernatural things that cannot be explained There are mysterious lights in the sky and things that go bump in the night.
See the Oxford Advanced American Dictionary entry: night