Word.ws English Dictionary

ultramassive

/ˈʌltɹəˈmæs.ɪv/

ultramassive adjective: extraordinarily massive; of utmost massiveness.

Adjective

ultramassive (comparative more ultramassive, superlative most ultramassive)

  1. (rare) Extraordinarily massive; of utmost massiveness.
    • He considers repetition of treatment after a 2-month interval more desirable than ultramassive doses.1953, Juan Enrique Mackinnon, Parasitology (1949-1950), Unesco Science Cooperation Office for Latin America, page 97
    • In particular, there has been no confirmation of the point of view of western scientists who contend that there is an enormous ultramassive body at the center of the Galaxy.1977, USSR and Eastern Europe Scientific Abstracts, Geophysics, Astronomy and Space, Number 393, Joint Publications Research Service, page 2
    Synonyms:
    supermassive

Synonyms of ultramassive

Forms of ultramassive

comparativemore ultramassive
superlativemost ultramassive

Origin of ultramassive

From ultra- + massive-.

Words formed from ultramassive

Questions about ultramassive

What does ultramassive mean?
Ultramassive means extraordinarily massive; of utmost massiveness.
What part of speech is ultramassive?
Ultramassive is an adjective.
How do you pronounce ultramassive?
Ultramassive is pronounced /ˈʌltɹəˈmæs.ɪv/.

Words near ultramassive in the dictionary

  1. ultramarine ash
  2. ultramarine ashes
  3. ultramarines
  4. ultramasculine
  5. ultramasculinity
  6. ultramassive
  7. ultramaternal
  8. ultramatricial
  9. ultramature
  10. ultramaximal
  11. ultramaximum

Source and license

Adapted from Wiktionary: ultramassive (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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