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nightlong

American  
[nahyt-lawng, -long, nahyt-lawng, -long] / ˈnaɪtˌlɔŋ, -ˌlɒŋ, ˈnaɪtˈlɔŋ, -ˈlɒŋ /

adjective

  1. lasting all night.

    a nightlong snowfall.


adverb

  1. through the entire night.

    Volunteer sandbag crews worked nightlong to stem the floodwaters.

nightlong British  
/ ˈnaɪtˌlɒŋ /

adjective

  1. throughout the night

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of nightlong

First recorded before 1000; Middle English; Old English nihtlang (adverb) “for the space of a night”; see night, long 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It was the first stop on Zohran Mamdani’s nightlong mayoral campaign blitz into the robust Muslim constituency that dots New York City.

From Slate • Apr. 5, 2025

Known as the Argus Array Pathfinder, it will register changes in the stars second by second, essentially making a nightlong celestial movie.

From Science Magazine • Aug. 24, 2022

A nightlong search for his missing son ends in the woods: ‘He’s gone. I found him.’

From Washington Post • Dec. 13, 2017

Ms. Jordan sang three songs, then handed the microphone to the club’s owner, Robin Hirsch, who proceeded to M.C. a nightlong revue featuring a number of Cornelia Street Café regulars.

From New York Times • Jul. 5, 2017

Now night had come on, rough, with no moon, but a nightlong downpour setting in, the rainwind blowing hard from the west.

From "The Odyssey" by Homer

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