Dictionary.com
Thesaurus.com
Synonyms

luminous

American  
[loo-muh-nuhs] / ˈlu mə nəs /

adjective

  1. radiating or reflecting light; shining; bright.

    Synonyms:
    brilliant , resplendent , radiant , lucid
    Antonyms:
    dark
  2. lighted up or illuminated; well-lighted.

    the luminous ballroom.

    Antonyms:
    dark
  3. brilliant intellectually; enlightened or enlightening, as a writer or a writer's works.

    a luminous concept; luminous prose.

    Synonyms:
    intelligent , bright
    Antonyms:
    stupid
  4. clear; readily intelligible.

    a concise, luminous report.

    Synonyms:
    lucid , perspicuous , understandable
    Antonyms:
    obscure

luminous British  
/ ˈluːmɪnəs /

adjective

  1. radiating or reflecting light; shining; glowing

    luminous colours

  2. (not in technical use) exhibiting luminescence

    luminous paint

  3. full of light; well-lit

  4. (of a physical quantity in photometry) evaluated according to the visual sensation produced in an observer rather than by absolute energy measurements Compare radiant

    luminous flux

    luminous intensity

  5. easily understood; lucid; clear

  6. enlightening or wise

"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

Other Word Forms

  • luminously adverb
  • luminousness noun
  • nonluminous adjective
  • nonluminously adverb
  • nonluminousness noun
  • self-luminous adjective
  • semiluminous adjective
  • semiluminously adverb
  • semiluminousness noun
  • unluminous adjective
  • unluminously adverb
  • unluminousness noun

Etymology

Origin of luminous

First recorded in 1400–50; late Middle English word from Latin word lūminōsus. See lumen, -ous

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.

"It's the very beginning of Baroque painting, depicting a crucified Christ, isolated, luminous and standing out vividly against a dark and threatening sky," he said.

From Barron's

This inconsistency doesn’t diminish the portion of Pissarro’s paintings that is luminous.

From The Wall Street Journal

Mr. Loquasto’s pale, loosely clinging outfits for the men and women provide a celestial softness further enhanced by Ms. Tipton’s luminous lighting.

From The Wall Street Journal

What lingers, though — in both del Toro’s film and Shelley’s original — are the small, luminous moments where food becomes something more than sustenance.

From Salon

He receives his due — at times, veneration — for the luminous courage that held together a loose coalition of colonies against the world’s foremost military power.

From Los Angeles Times