all-night

• all-nite (informal, nonstandard)

From all- +‎ night.

• (General American) enPR: ôl'nītʹ, IPA^(key): /ˌɔlˈnaɪt/

• Audio (US):

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• (Received Pronunciation) enPR: ôl'nītʹ, IPA^(key): /ˌɔːlˈnaɪt/
• Rhymes: -aɪt

all-night (not comparable)

1. Lasting throughout the whole night (or most of it)

   Coordinate term: all-day

   an all-night party

   • 1890, Jacob A[ugust] Riis, “The Awakening”, in How the Other Half Lives: Studies among the Tenements of New York, New York, N.Y.: Charles Scribner’s Sons, →OCLC, page 19:

     Spite of brown-stone trimmings, plate-glass and mosaic vestibule floors, the water does not rise in summer to the second story, while the beer flows unchecked to the all-night picnics on the roof.

   • 1961 January, “The North-East London electrification of the Great Eastern Line”, in Trains Illustrated, page 20:

     The former G.E.R. all-night service between Liverpool Street and Chingford, at hourly intervals, is revived.

   • 2018 December 1, Julian Borger, “G20 agreement backs 'rules-based' order but bows to Trump on trade reforms”, in The Guardian‎^[1], London, United Kingdom, →ISSN, archived from the original on 29 April 2019:

     Sherpas from the European Union and 19 countries worked through the week to salvage a meaningful joint statement, culminating in an all-night session on Friday.

• all-nighter
• all-night-man

• all night (adverb)

• Allthing