Definition of night in English:


Line breaks: night
Pronunciation: /nʌɪt


  • 1The period from sunset to sunrise in each twenty-four hours: a moonless night the door is always locked at night
    More example sentences
    • 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.
    darkness, dark, hours of darkness, night-time, dead of night
  • 1.1The night as the interval between two days: supplements per person per night
    More example sentences
    • 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.
  • 1.2The darkness of night: a line of watchfires stretched away into the night
    More example sentences
    • Into the web we went, deeper and deeper into the night and into the darkness of the maze.
  • 1.3 literary Nightfall.
  • 2The period between afternoon and bedtime; an evening: he was not allowed to go out on weekday nights
    More example sentences
    • 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.
  • 2.1An evening characterized by a particular event or activity: a quiz night wasn’t it a great night out?
    More example sentences
    • 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.


informal Back to top  


(nights) • informal, chiefly North American Back to top  
  • During the night; at night: investments that won’t keep us awake nights with worry


night and day

All the time; constantly: she studied night and day
More example sentences
  • 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.
all the time, the entire time, around the clock, day and night, {morning, noon, and night}, {day in, day out}, without a break, ceaselessly, endlessly, incessantly, interminably, constantly, unceasingly, perpetually, permanently, continuously, continually, eternally, unremittingly, remorselessly, relentlessly
informal 24/7
archaic without surcease



More example sentences
  • The nightless night can last up to 60 days in Lapland, and from the middle of June until August, the sun never sets but hangs low over the horizon.
  • Of the migration of geese, he had written, ‘The waste corn of Illinois is carried through the clouds to the Arctic tundras, there to combine with the waste sunlight of a nightless June to grow goslings for all the lands between.’
  • It's an unpretentious, stylish and not particularly original B movie about space travelers marooned on a nearly nightless desert planet.


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.

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