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.
Generally, there is a dichotomy among red supergiants. Keith Cooper, Space.com, 13 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 This is the first direct observation of a companion star orbiting within the outer atmosphere of a supergiant. Jamie Carter, Forbes.com, 21 July 2025 Because of its proximity to the dying supergiant star, gravitational forces will cause Betelbuddy to spiral into Betelgeuse within the next 10,000 years, per a statement from the National Science Foundation’s NOIRLab. Sara Hashemi, Smithsonian Magazine, 22 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 30 Aug. 2025.

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