night·​long | \ ˈnīt-ˌlȯŋ \

Definition of nightlong

 (Entry 1 of 2)

: lasting the whole night nightlong festivities


night·​long | \ ˈnīt-ˈlȯŋ \

Definition of nightlong (Entry 2 of 2)

: through the whole night

Examples of nightlong in a Sentence

Recent Examples on the Web: Adjective

The heads of European Union governments endorsed the idea, which many had recently dismissed as xenophobic and inhumane, after nightlong negotiations that endorsed a tougher approach promoted by anti-immigrant governments in Italy and Austria. Bojan Pancevski, WSJ, "EU’s Migrant Deal Reflects Ascendance of Nativist Parties," 29 June 2018 This Is Us star Sterling K. Brown guests as a murder suspect who’s the subject of a nightlong interrogation. Ellen Gray,, "TV picks: 'Jesus Christ Superstar,' 'The Last O.G.,' 'The Crossing' and more," 28 Mar. 2018 Curry flung his mouthpiece, later explaining it as a demonstration of his nightlong frustration. Harvey Araton, New York Times, "Warriors’ Bench Blisters Cavaliers on a Quiet Night for Stephen Curry," 2 June 2016 The agreement with creditors was reached after a nightlong session of talks at a hotel in Athens. Washington Post, "Greece, creditors agree new bailout terms," 2 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nightlong.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of nightlong


before the 12th century, in the meaning defined above


14th century, in the meaning defined above

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The first known use of nightlong was before the 12th century

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Rhyming Dictionary: Words that rhyme with nightlong

Comments on nightlong

What made you want to look up nightlong? Please tell us where you read or heard it (including the quote, if possible).


to deny responsibility for

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