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 remainder are quasars, dominated by actively feeding supermassive black holes. Big Think, 20 Oct. 2025 Most TDEs take place in the center of a galaxy, where a supermassive black hole lurks. Keith Cooper, Space.com, 16 Oct. 2025 Understanding why that is essentially boils down to what exactly is happening near that central supermassive black hole. Phil Plait, Scientific American, 16 Oct. 2025 The plasma clouds were likely first created by jets of material released by the galaxy’s supermassive black hole, Hota explained. Ashley Strickland, CNN Money, 14 Oct. 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 29 Oct. 2025.

Last Updated: - Updated example sentences
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