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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.

Quasars, first identified in the 1960s, rank among the most luminous objects known.

From Science Daily

A new study presents the most detailed and complete model yet of luminous black hole accretion, the process by which black holes pull in surrounding matter and emit intense radiation.

From Science Daily

It is inescapable that people have most focused on Frank’s sculptural, curvilinear forms, his luminous exterior surfaces, and yet what I find most profound about his architecture is how he enchanted and enlivened space.

From Los Angeles Times

The hall is at once a luminous public landmark and a workhorse.

From Los Angeles Times

Meagan Boyd is a Southern California–based artist and poet whose work blends ritual, ancestral memory and celestial symbolism into luminous visual poems.

From Los Angeles Times