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
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.
Knowing this about Deneb transforms the Summer Triangle into a three-dimensional shape. — Jamie Carter, Space.com, 24 July 2026 Powered by liquid oxygen and methane, Deneb has a thrust of 15,000 pounds. — Eric Berger, ArsTechnica, 9 July 2026 Vega in Lyra the Lyre or Harp; Altair in Aquila the Eagle; and Deneb, the brightest star in Cygnus the Swan. — Mike Lynch, Twin Cities, 5 July 2026 Three stars — Deneb, Vega and Altair — will form a triangle, known as the Summer Triangle asterism. — Hali Smith june 4, Idaho Statesman, 4 June 2026 See All Example Sentences for Deneb

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

Browse Nearby Words

Déné
Deneb
Deneb Kaitos
See all Nearby Words

Cite this Entry

“Deneb.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Deneb. Accessed 3 Aug. 2026.

Copy Citation

Kids Definition

Deneb

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

More from Merriam-Webster on Deneb

Britannica.com: Encyclopedia article about Deneb

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of mitigate

See Definitions and Examples »

Popular in Grammar & Usage

See More

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?
See More

Popular in Wordplay

See More

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)
See More

Popular

See More

7 Pairs of Commonly Confused Words

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
asap street sign
Figure Out These Acronyms ASAP You don't have to be a NASA engineer to get these...
See All