Word.ws English Dictionary

underluminous

underluminous adjective: insufficiently luminous.

Adjective

underluminous (comparative more underluminous, superlative most underluminous)

  1. Insufficiently luminous

Forms of underluminous

comparativemore underluminous
superlativemost underluminous

Origin of underluminous

From under- + luminous.

Questions about underluminous

What does underluminous mean?
Underluminous means insufficiently luminous.
What part of speech is underluminous?
Underluminous is an adjective.

Words near underluminous in the dictionary

  1. underlubricating
  2. underlubrication
  3. underlug
  4. underlugs
  5. underluminosity
  6. underluminous
  7. underly
  8. underlye
  9. underlyes
  10. underlying
  11. underlying form

Source and license

Adapted from Wiktionary: underluminous (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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