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English definition of “night”

night

noun uk   /naɪt/ us  

night noun (DARK PERIOD)

A1 [C or U] the part of every 24-hour period when it is dark because there is very little light from the sun: It gets cold at night. I slept really badly last night. I spent the night at Ted's. He took the night ferry/train.Days and times of day

night noun (EVENING)

A1 [C or U] the period of time between the late afternoon and going to bed; the evening: Let's go dancing on Saturday night. We've been out every night this week. She's a singer in a bar by night and a secretary by day.Days and times of day [S] the evening on which a special event happens: When's the last night of your show? The first/opening night of her new film was a great success.Spectacles and performancesCelebrations, parties and special occasionsSpecific holidays and festivals night-night child's expression used as another way of saying good night, usually by or to childrenMeeting peopleOfficial meetings the other night on one evening recently: I saw Naomi at the club the other night.Days and times of day a night out an evening spent at a restaurant, theatre, etc. rather than staying at home: Let's have a night out together on Saturday - we could go dancing.Celebrations, parties and special occasionsSpecific holidays and festivals

night

exclamation uk   /naɪt/ informal us  
a friendly way of saying goodbye when you leave someone in the evening or before going to bed or to sleep: Night, darling! Sleep well!
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(Definition of night from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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