Deneb

noun

Den·​eb ˈde-ˌneb How to pronounce Deneb (audio)
-nəb
: a star of the first magnitude in Cygnus

Examples of Deneb in a Sentence

Recent Examples on the Web
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The bright star Deneb — which represents the tail of the great swan in the constellation Cygnus — is seen embedded in the ribbon of the Milky Way, with Vega, a past and future North Star, shining directly below, close to the horizon. Anthony Wood, Space.com, 28 Jan. 2026 Chefs Lee Hinton and Deneb Williams, of Allora in East Sacramento, are leading the charge. Sacbee.com, 30 Dec. 2025 Deneb is the brightest star of Cygnus the Swan, which is making its annual swan dive toward the western horizon. Mike Lynch, Twin Cities, 23 Nov. 2025 To the left of Vega, also very high in the sky, is Deneb, the 19th brightest star in the night sky. Jamie Carter, Forbes.com, 29 Aug. 2025 Observers will be able to spot it a third of the way between bright stars Altair and Deneb. Eric Lagatta, USA Today, 6 Aug. 2025 The triangle’s vertices are formed by the stars Deneb, Vega, and Altair, forming a celestial isosceles triangle that’d make Euclid proud, that spans the constellations Cygnus, Lyra, and Aquila. Tom Hawking, Popular Science, 31 July 2025

Word History

Etymology

Arabic dhanab al-dajāja, literally, the tail of the hen

First Known Use

circa 1867, in the meaning defined above

Time Traveler
The first known use of Deneb was circa 1867

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Cite this Entry

“Deneb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Deneb. Accessed 4 Feb. 2026.

Kids Definition

Deneb

noun
Den·​eb ˈden-ˌeb How to pronounce Deneb (audio)
-əb
: the brightest star in the group of stars of Cygnus

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