supermassive

adjective

su·​per·​mas·​sive ˌsü-pər-ˈma-siv How to pronounce supermassive (audio)
: having a very large mass : extremely or extraordinarily massive
a supermassive black hole

Examples of supermassive in a Sentence

Recent Examples on the Web
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Astronomers have detected an erupting supermassive black hole producing some of the largest jets ever seen bursting from a galaxy with the same shape as our own. Robert Lea, Space.com, 24 Mar. 2025 Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the supermassive black hole at the heart of the Milky Way. Kevin Sabet, Newsweek, 24 Mar. 2025 Types of Black Holes There are two main classes of black holes observed: stellar-mass black holes that can be dozens of times larger than the sun, and supermassive black holes that can equate to billions of solar masses. Madison Dapcevich, Discover Magazine, 21 Mar. 2025 If confirmed, the new discovery would make this the closest supermassive black hole outside of our galaxy. Margherita Bassi, Smithsonian Magazine, 12 Mar. 2025 See All Example Sentences for supermassive

Word History

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of supermassive was in 1937

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Cite this Entry

“Supermassive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supermassive. Accessed 5 Apr. 2025.

Last Updated: - Updated example sentences
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