Dictionary.com
Thesaurus.com

supermassive

British  
/ ˌsuːpəˈmæsɪv /

adjective

  1. (of a black hole or star) having a mass in the range of millions or billions of times that of the sun

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Instead, they could represent a temporary phase in which supermassive black holes are especially active.

From Science Daily Aug. 17, 2026

The UK will no longer participate in research at the James Clark Maxwell Telescope in Hawaii, which scientists are using to image supermassive black holes at the centre of galaxies.

From BBC Jul. 27, 2026

How galaxies evolve, and the role played by supermassive black holes.

From BBC Jul. 27, 2026

The observations showed that an S-shaped structure near the galaxy's center is actually a rotating disk of gas around the supermassive black hole.

From Science Daily Jul. 18, 2026

If Arp is right, the exotic mechanisms proposed to explain the energy source of distant quasars—supernova chain reactions, supermassive black holes and the like—would prove unnecessary.

From "Cosmos" by Carl Sagan

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training