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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The three examples the team highlighted in a new study describe supermassive black holes feasting on stars more than three times as massive as our own sun. Eric Lagatta, USA Today, 6 June 2025 Another idea is that they are created by extreme astrophysical objects, like the environments around supermassive black holes, and they get blown out to gigantic proportions relatively quickly. Paul Sutter, Space.com, 5 June 2025 Astronomers have captured the most energetic explosions ever recorded in the universe since the big bang as massive stars get ripped apart by supermassive black holes. Jamie Carter, Forbes.com, 5 June 2025 The trajectories of these stars effectively point back to their origin, and based on our current knowledge, that origin must be a supermassive black hole. Phil Plait, Scientific American, 22 May 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 12 Jun. 2025.

Last Updated: - Updated example sentences
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