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

PBHs could help resolve other enigmas, too, for instance by acting as seeds for the rapid growth of supermassive black holes in the early universe. — Jonathan O'Callaghan, Scientific American, 2 Oct. 2026

This first creates supermassive stars, which then collapse into massive black-hole seeds. — Robert Lea, Space.com, 29 Sep. 2026

Quasars are actively feeding supermassive black holes, so just gobbling up all the gas. — David Brooks, The Atlantic, 20 Sep. 2026

Scientists are uncovering clues that suggest cosmic rays come from extremely hot and faraway areas of the universe, ejected by exploding stars and powerful objects called supermassive black holes. — Jesse Liu, The Conversation, 14 Sep. 2026

Word History

First Known Use

1937, in the meaning defined above

Rhymes for supermassive

• impassive
• massive
• passive