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supermassive

British

/ ˌsuːpəˈmæsɪv /

adjective

(of a black hole or star) having a mass in the range of millions or billions of times that of the sun

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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supermassive

The most widely accepted astrophysical explanation for this background is a population of supermassive black hole binaries gradually spiraling inward.

From Science Daily ● Aug. 27, 2026

"Pulsar timing arrays are usually thought of as probes of supermassive black-hole binaries in the relatively recent Universe," said Ilie.

From Science Daily ● Aug. 27, 2026

Most galaxies are thought to harbor a supermassive black hole at their center.

From Science Daily ● Aug. 23, 2026

Astronomers have discovered the fastest star in the Milky Way zooming at 25,000 kilometres a second around the supermassive black hole at the centre of our galaxy.

From Barron's ● Aug. 20, 2026

It’s the supermassive black hole in the middle of our galaxy.

From "Bye Forever, I Guess" by Jodi Meadows

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023