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
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.
At its core sits a supermassive black hole, called M87*, made famous in 2019 as the first one that ever humanity ever photographed directly. Sharmila Kuthunur, Space.com, 2 Oct. 2025 Earlier theories suggested ORCs might form from shockwaves unleashed when supermassive black holes or galaxies collide. Neetika Walter, Interesting Engineering, 2 Oct. 2025 The supermassive one in the middle of the Milky Way shoots out jets of particles that expand into enormous bubbles. Ross Andersen, The Atlantic, 24 Sep. 2025 When any object gets close to a supermassive black hole, it's typically ensnared in a powerful gravitational pull. Eric Lagatta, USA Today, 16 Sep. 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 8 Oct. 2025.

Last Updated: - Updated example sentences
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