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

So, with all this in mind, how did supermassive black holes grow so rapidly in the early universe? — Robert Lea, Space.com, 19 July 2026

Our own galaxy’s supermassive black hole, Sagittarius A*, is a good example. — Kaif Shaikh, Interesting Engineering, 29 June 2026

Supermassive black holes that are consuming matter are categorized as active, whereas supermassive black holes that do not consume matter are known as inactive or quiescent. — Mary Ogborn, The Conversation, 25 June 2026

Word History

First Known Use

1937, in the meaning defined above

Rhymes for supermassive

• impassive
• massive
• passive