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

Seeing a supermassive black hole up close is a spectacular, if unsettling, thought, but that’s not the only oddity to be seen from S301. — Phil Plait, Scientific American, 4 Sep. 2026

The team looked at 14 X-ray-silent supermassive black holes, finding that there is another way of considering this lack of emission. — Robert Lea, Space.com, 2 Sep. 2026

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

Word History

First Known Use

1937, in the meaning defined above

Rhymes for supermassive

• impassive
• massive
• passive