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 At 600 light years away, the red supergiant Betelgeuse in the constellation of Orion is the nearest massive star getting close to the end of its life. Chris Impey, Discover Magazine, 8 Apr. 2024 This red supergiant, many times the mass of the sun, has a boiling surface and is usually the tenth brightest in the sky. Jamie Carter, Forbes, 28 Mar. 2024 Hubble had previously been employed to observe that region of the universe, meaning the team had historical data from the region—before the red supergiant star met its end. Isaac Schultz / Gizmodo, Quartz, 28 Mar. 2024 Early in the year, astronomers were mystified by the behavior of the dying red supergiant star in the constellation Orion. Eric Betz, Discover Magazine, 28 Oct. 2020 At that size during the red supergiant phase, the black hole’s outer layers should have swelled up to where the sun-like star orbits it today. Robert Lea, Popular Mechanics, 6 Dec. 2022 The star is a blue-white supergiant located 870 light-years away from the Sun. Elizabeth Gamillo, Discover Magazine, 5 Mar. 2024 The case for a neutron star grew as further analysis revealed SN 1987A’s progenitor had likely been a blue supergiant star about 18 times the mass of our sun—heavy but still too light to easily form a black hole. Jonathan O'Callaghan, Scientific American, 23 Feb. 2024 The constellation’s brightest star is the blue supergiant Rigel, located towards The Hunter’s left foot. Laura Baisas, Popular Science, 1 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'supergiant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of supergiant was in 1926

Dictionary Entries Near supergiant

Cite this Entry

“Supergiant.” Dictionary, Merriam-Webster, Accessed 22 May. 2024.

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