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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

Instead, the Buckeyes had nine 3-pointers by the end of the third quarter — a milestone in the nearly nightlong misery for third-seeded L.S.U., which fell to No. 6 Ohio State, 79-64.

From New York Times • Mar. 21, 2022

The nightlong buildup of frustration with home-plate umpire Doug Eddings boiled over too because, after Strasburg popped up Correa for the second out, Strasburg screamed something at Eddings.

From Washington Post • Oct. 23, 2019

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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