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 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 Quasars are the cores of some distant galaxies powered by supermassive black holes that emit huge amounts of radiation. Paul Smaglik, Discover Magazine, 21 May 2025 Astrophysicists suspect that every galaxy may sport a supermassive black hole at its heart, these objects evolving along with their host galaxy. Ian Randall, MSNBC Newsweek, 16 May 2025 However, while there are numerous active galaxies with supermassive black holes in that region, none of them was displaying activity at the time that could explain the neutrino, nor was a gamma-ray burst detected from that direction at that time. Keith Cooper, Space.com, 16 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 4 Jun. 2025.

Last Updated: - Updated example sentences
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