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

For galaxies with a quiescent supermassive black hole, astronomers measure how quickly the stars tightly packed near the center of the galaxy are traveling. — Mary Ogborn, The Conversation, 25 June 2026

One is active supermassive black holes and the other is the first generations of hot, massive stars. — Keith Cooper, Space.com, 24 June 2026

Scientists believe the galactic wind is being driven by intense star formation and supernova explosions triggered by the merger, though a supermassive black hole could also be playing a role. — Brandi D. Addison, USA Today, 23 June 2026

It is credited with being the first system to capture images of collision between large astronomical objects and providing strong proof on the road to confirming that supermassive black holes exist. — Eleanor Jacobs, PEOPLE, 21 June 2026

Word History

First Known Use

1937, in the meaning defined above

Rhymes for supermassive

• impassive
• massive
• passive