Definition of night in English:

night

noun

1The period from sunset to sunrise in each twenty-four hours.
‘a moonless night’
‘the door is always locked at night’
- ‘At night the sky had been swept clean of clouds and the stars were blazing in the moonless night.’
- ‘She loved starry nights, sunrises and sunsets, the moon, snow… her list could go on and on.’
- ‘She loved going in there at night, especially on nights that the moon was full and shining brightly through the glass sun room.’
- ‘Sam hated to drive at night, especially a night such as this when it was cold and windy.’
- ‘A blackout at night might seem strange especially when the consumption of electricity during nights is half of the total national electricity production.’
- ‘They are allowed outside in a pen during the day, but at night they are put inside with an arc heater to increase their chance of survival during the colder nights.’
- ‘If the problem exists only at night, a medicine to reduce the volume of urine in the night is prescribed.’
- ‘At night they are beautiful, illuminating as they do the splendour of the area.’
- ‘At night, whole streets are kept awake by sirens which are just as loud as car horns, but unlike car horns they are not illegal.’
- ‘At night it will glow bright white and it will look quite beautiful.’
- ‘At night, this normally meek youth disturbed his fellow novices with violent ravings in his nightmares.’
- ‘At night the convicts either slept in their seats or, if they were lucky, bunked down at a county jail en route.’
- ‘At night, down on the water, they seem just beyond grasp, unreachably distant, like the past itself.’
- ‘At night no one's talking to anyone; people make noise because there is no one to listen.’
- ‘At night, the nine slept by four separate campfires, divided along gender and age lines.’
- ‘At night, the moonlight that came through the doors was fantastic and mysterious.’
- ‘At night, I was awakened by the piercing wind and burrowed under the quilt to escape the cold.’
- ‘He says he has been unable to sleep at night and has been prescribed sleeping tablets by the doctor to help get through the night.’
- ‘At night he sleeps in warehouses or under trees, no doubt worrying how he will manage to feed his children on such a paltry sum.’
- ‘At night, the residents retired to the few cellars that had not been destroyed by a decade of war.’
darkness, dark, hours of darkness, night-time, dead of night
View synonyms
1. 1.1The night as the interval between two days.
  ‘supplements per person per night’
  ‘Flights and self-catering accommodation for seven nights costs €400 per person sharing.’
  ‘Prices are per person for two nights' bed and breakfast with dinner on the first night, based on two people sharing a double room.’
  ‘My June break cost from £90 per person for two nights, bed, breakfast and evening meal.’
  ‘Rooms cost €65 per person for two nights bed and breakfast throughout the autumn.’
  ‘For example, the estimated time limit could be set at five days and the cost per night at £200.’
  ‘The cost is 5 per night per person but the school has shouldered the bulk of the costs.’
  ‘Rates: $400 per person for four nights, which includes three days of lift tickets and enormous breakfasts.’
  ‘Prices start at just £455 per person for seven nights accommodation in a twin room on a half-board basis, including direct flights and transfers.’
  ‘With prices starting at £209 per person for seven nights' accommodation you cannot afford to miss this offer.’
  ‘The package for three nights and seven days costs Rs.21,999 per person on twin sharing basis, including the stay in a four star hotel.’
  ‘These prices are per room per night and include dinner and breakfast for two people.’
  ‘Self-catering cottages for two nights cost from €139 per cottage.’
  ‘The total cost of three nights accommodation and return flights is €710 per person, based on two people in single occupancy rooms.’
  ‘A run with an upscale private cabin for two nights costs about $230 per person.’
  ‘A package including return flights and two nights ' accommodation costs €495 per person.’
  ‘The cost for adults is 12 for four nights and 2 for teenagers per night.’
  ‘Prices start at £185 per night for a suite with a Chelsea view, based on one or two people sharing.’
  ‘Rates start at £196 per person per night, for a standard room with two people sharing.’
  ‘It makes perfect sense: a one-bed or studio flat is considerably cheaper per night than a hotel.’
  ‘The trip, including flight and five nights in the Hotel Solitude, costs 570 per person.’
2. 1.2The darkness of night.
  ‘a line of watchfires stretched away into the night’
  ‘Into the web we went, deeper and deeper into the night and into the darkness of the maze.’
3. 1.3literary Nightfall.
  night, night-time, darkness, hours of darkness
  View synonyms
2The period between afternoon and bedtime; an evening.
‘he was not allowed to go out on weekday nights’
- ‘Last night's Eastern Evening News has predicted that I will win North Norfolk.’
- ‘Last night at dinner my Mother was talking about her arrangements to go down to Cork on Tuesday.’
- ‘On Friday night Chris approached us to do a skit for all the delegates after dinner on the last night.’
- ‘Last night we went for dinner with our host for the day, Henny, in Noordwijk.’
- ‘Last night was a quiet night in, just me and a few glasses of nice whiskey.’
- ‘Last night she ate her dinner and she gobbled five peppermints right out of my hand.’
- ‘She hadn't stayed up as late as she had last night since the night she met Christopher.’
- ‘Last night ended up being one of the happiest nights of my life.’
- ‘Last night I went out for a dinner that was both lovely and very very strange.’
- ‘Last night we went to East Berlin to have dinner and to tramp around some of the bars.’
- ‘Single parents were given the evening off last night while their kids did a spot of Christmas shopping.’
- ‘The three party leaders spoke with one voice in the Evening Press last night.’
- ‘We got to put all this domestic bliss into practice last night with a great evening.’
- ‘There was discussion of going to the pub, but like last night we were stuffed and tired, so decided on early nights instead.’
- ‘Of course, after a lot of late nights in a row, and with the flat so hot, there was little chance of me getting to sleep early last night.’
- ‘Last night again, the fight ended in favour of the man from Edinburgh.’
- ‘Last night, some parents said they were dismayed at the latest hike in fees which far outweighs yearly salary rises.’
- ‘Last night, my friend would not allow his wife and a female friend to go down to their outside garage on their own.’
- ‘Last night, I uttered five words, got up from my place at the table and left the restaurant without looking back.’
- ‘Last night, in a fit of pique, just to show me up for a liar, she took her first steps with the cane.’
1. 2.1An evening characterized by a particular event or activity.
  ‘a quiz night’
  ‘wasn't it a great night out?’
  ‘Mr Ewing said people in the community had already organised a large number of fundraising events including quiz nights, a pantomime and concerts.’
  ‘The Parent Staff Friends Association began fundraising two years ago with events such as quiz nights, a dance and a Christmas fair.’
  ‘The next event is a quiz night on Friday at the Ramsey Memorial Hall, with tickets already selling fast.’
  ‘Parents whose teenage children want to enjoy a popular night out will find buying tickets to the event easier from now on.’
  ‘We also intend to organize some social activities for example a Christmas night out.’
  ‘The evening is an absorbing night out and one not to be lightly ignored.’
  ‘This is a always a fun night out so come along and enjoy the quiz and support the school fund.’
  ‘For the younger generation the Mardi Gras on Saturday night was their night out.’
  ‘Her ordeal began early on Friday morning after a night out in Marmaris.’
  ‘It sounds more like a night in than a night out, but this is dining out Moroccan style.’
  ‘But I do hope they are still happy to be seen in public together, enjoying dinner or a night out.’
  ‘Saturday night is the big night out, but we all plan to go into the city first of all for some dinner.’
  ‘It is hoped to reach the appeal target by the end of 2004 and other events include wine and cheese evenings, quiz nights, a parish fun day and an outdoor play.’
  ‘This night out is then followed the following evening by Martin's birthday drinks down in Soho.’
  ‘The evening promises to be a great night out that helps raise money for a worthy cause.’
  ‘The restaurant has a cosy and relaxing feel to it, and the subtle lighting and candles make it ideal for a romantic night out.’
  ‘Patrons can place their bets in the bar and in the lounge on the night, so come along and enjoy a fun night out.’
  ‘These types of smoker can get through a packet or two in a single night but then won't smoke until their next night out.’
  ‘She was reported missing by her parents on Saturday morning after she failed to return from a night out.’
  ‘But at night he drove round searching for vulnerable women wanting cabs home after nights out in Manchester.’

exclamation

informal

short for goodnight

adverb

informalNorth American nights

During the night; at night.
‘investments that won't keep us awake nights with worry’

Phrases

night and day

All the time; constantly.
‘she studied night and day’
- ‘Today you hear these infernal machines going night and day.’
- ‘Put simply, Scotland has to watch and listen, night and day, to every little thing that affects English sporting teams.’
- ‘You can labour night and day to give them a world that's comprehensible.’
- ‘We do know that he's working night and day to acquire a nuclear weapon and perhaps to build one.’
- ‘The pyres burn night and day but it is illegal to photograph them.’
- ‘As the words flowed night and day, we felt we were giving voice to a new generation of rebels.’
- ‘For that last 18 months of his life she had always been by his side, night and day.’
- ‘I thought that was amazing, but then I realised that the woman was half-mad and would call on me night and day.’
- ‘During the past week, the people involved in the project have worked night and day to have the centre ready for the opening.’
- ‘Would it be better if the city were dependent for its wealth on huge factories belching out pollution night and day?’