predawn

adjective

pre·​dawn ˌprē-ˈdȯn How to pronounce predawn (audio)
-ˈdän
variants or less commonly pre-dawn
: existing or occurring before dawn
a predawn attack
the predawn hours
… the gigantic telescope started scanning the predawn sky.Howard Blum
predawn noun
or less commonly pre-dawn
plural predawns also pre-dawns
The most bone-chilling predawns create the sharpest sunrises. Christine Schultz
… stepping out into the quiet pre-dawn, closing the door. Bryan Burrough

Examples of predawn in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The best time to hunt for the comet is in the predawn hours, when the constellation Virgo will have risen high in the sky. Anthony Wood, Space.com, 8 Jan. 2026 The predawn assault included strikes on key military facilities, while US cyber teams blacked out the lights in Caracas. J.d. Capelouto, semafor.com, 4 Jan. 2026 For stargazers, that means the best time to catch the Quadrantid meteors will be in the predawn hours, astronomers say. Eric Lagatta, USA Today, 2 Jan. 2026 At night, skies will be mostly clear, with temperatures heading into predawn Saturday as low as 56 degrees. Roberto Villalpando, Austin American Statesman, 1 Jan. 2026 See All Example Sentences for predawn

Word History

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of predawn was in 1883

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Cite this Entry

“Predawn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/predawn. Accessed 10 Jan. 2026.

Last Updated: - Updated example sentences
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