supergiant

noun

su·​per·​gi·​ant ˈsü-pər-ˌjī-ənt How to pronounce supergiant (audio)
: something that is extremely large
especially : a star of very great intrinsic luminosity and enormous size
supergiant adjective

Examples of supergiant 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.
From the humble red dwarfs to the titanic supergiants, stars come in a dazzling array of sizes, colors, and lifespans. Kenna Hughes-Castleberry, Space.com, 28 Sep. 2025 The album title is a reference to a red supergiant star 10,000 light-years away from Earth. Tomás Mier, Rolling Stone, 18 Sep. 2025 Skywatchers on Saturday night will be treated to the gorgeous sight of a waxing crescent moon close to Antares, an unmistakably bright red supergiant star shining in the south. Jamie Carter, Forbes.com, 29 Aug. 2025 Astronomers have captured images of what is thought to be Betelgeuse’s stellar companion – not only detecting a star orbiting a supergiant in a world-first, but solving a mystery that has puzzled astrophysicists for centuries. Rosie McCall, Discover Magazine, 28 July 2025 See All Example Sentences for supergiant

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of supergiant was in 1926

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Cite this Entry

“Supergiant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supergiant. Accessed 2 Oct. 2025.

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