supermassive

adjective

su·​per·​mas·​sive ˌsü-pər-ˈma-siv 

: having a very large mass : extremely or extraordinarily massive

a supermassive black hole

Examples of supermassive in a Sentence

Recent Examples on the Web

There are supermassive black holes lurking in the center of almost every large galaxy, scientists have found. — Adithi Ramakrishnan, Los Angeles Times, 23 Aug. 2026

Remnant radio galaxies represent the final stage in the evolution of radio galaxies, at which point the jets from the galaxies' central regions, or active galactic nuclei (AGNs) powered by feeding supermassive black holes, have switched off. — Robert Lea, Space.com, 21 Aug. 2026

Studying stars like this one could help scientists measure those mysterious properties, including how fast the supermassive black hole spins. — ABC News, 19 Aug. 2026

The Milky Way galaxy is anchored by a supermassive black hole named Sagittarius A*, that has a mass over four million times greater than the sun. — Andrew Paul, Popular Science, 19 Aug. 2026

Word History

First Known Use

1937, in the meaning defined above

Rhymes for supermassive

• impassive
• massive
• passive