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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Each of the Summer Triangle's three prominent stars — Vega, Deneb and Altair — belong to a different constellation in the night sky and will be among the first twinkling lights to appear as the glow of the setting sun gives way to darkness in the coming months. Anthony Wood, Space.com, 12 July 2025 Vega is the highest, with Deneb below it to the left and Altair to the lower right. Jamie Carter, Forbes.com, 25 June 2025 The third star is Deneb, the brightest star in Cygnus, the Swan, located a bit higher than Altair and towards the northeast. Jesse Emspak, Space.com, 25 June 2025 Leading the way is the Summer Triangle asterism, made up of the bright stars Vega, Deneb and Altair. Mike Lynch, Twin Cities, 1 June 2025 There was the Summer Triangle: Vega, with its disk of dust; the fast-rotating Altair; and Deneb, believed to be more than 2000 light years away. Lane Sainty, USA TODAY, 24 Nov. 2024 Find Deneb in Cygnus, above Vega, and Altair in Aquila, to the left. Jamie Carter, Forbes, 2 Nov. 2024 Find the other two that make up the famous asterism — Deneb in Cygnus, above Vega, and Altair in Aquila, to the left. Jamie Carter, Forbes, 29 Oct. 2024 Skywatchers in July also should have a good view of Jupiter and the star Deneb, according to NASA. John Tufts, The Courier-Journal, 2 July 2024

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 20 Jul. 2025.

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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