luminous

adjective
lu·​mi·​nous | \ ˈlü-mə-nəs How to pronounce luminous (audio) \

Definition of luminous

1a : emitting or reflecting usually steady, suffused, or glowing light luminous objects—the nebula, the stars, the planets— Lincoln La Paz
b : of or relating to light or to luminous flux
2 : bathed in or exposed to steady light luminous with sunlight
3 : clear, enlightening a luminous explanation
4 : shining, illustrious a luminous film star a luminous performance

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Other Words from luminous

luminously adverb
luminousness noun

Choose the Right Synonym for luminous

bright, brilliant, radiant, luminous, lustrous mean shining or glowing with light. bright implies emitting or reflecting a high degree of light. brilliant implies intense often sparkling brightness. radiant stresses the emission or seeming emission of rays of light. luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness. lustrous stresses an even, rich light from a surface that reflects brightly without glittering.

Did You Know?

Luminous, like its synonyms radiant, shining, glowing, and lustrous, is generally a positive adjective, especially when it describes something that doesn't literally glow, such as a face, a performance, or a poem. Luminous signs depend on a gas such as neon, krypton, argon, xenon, or radon—and you can use luminous (DayGlo) paint to make your own signs. New technologies have now given us luminous fabrics, which are being used to produce striking or creepy effects in clothing, upholstery, and interior surfaces.

Examples of luminous in a Sentence

I saw the cat's luminous eyes in my car's headlights. a watch with a luminous dial The room was luminous with sunlight.
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Recent Examples on the Web

When people do remember specifics, the sharpest, most luminous details are often strange, or surprising. Joe Fassler, The Atlantic, "The Hemingway Scene That Shows How Humanity Works," 30 Aug. 2019 The list of players Tata Martino will not have in uniform Saturday evening for his first competitive game as Mexico’s coach is far more luminous than the roster that will be there. Kevin Baxter, latimes.com, "Mexico’s ‘best of the rest’ team ready to show its form against Cuba in Gold Cup opener," 14 June 2019 Making the film even more luminous is its megawatt talent. Lilah Ramzi, Vogue, "An Ode to the Campiest Film You’ve Probably Never Seen," 19 Apr. 2019 Although less luminous examples had already been seen, astronomers wanted to know if changes as dramatic as the one LaMassa discovered were common. Quanta Magazine, "Galactic Beacons Get Snuffed Out in a Cosmic Eyeblink," 21 Nov. 2018 Those dark, ionized bubbles grew bigger over roughly half a billion years, as galaxies grew and merged, leaving less and less luminous hydrogen between them. Davide Castelvecchi, Scientific American, "The Quest to Unlock the Secrets of the Baby Universe," 26 Aug. 2019 Bought in 1968, the luminous muse stands under the dome of the museum’s 1916 building, a centerpiece location that emphasizes the work’s quality as one of the artist’s greatest sculptures. Steven Litt, cleveland.com, "Remembering Henry Hawley: Cleveland Museum of Art decorative arts curator with amazing eye for excellence," 25 Aug. 2019 Film fans may best remember Gillian Armstrong’s 1994 adaptation with its luminous cast. Martha Ross, The Mercury News, "Is Timothée Chalamet as smoldering as William Shatner was in the 1970s version of ‘Little Women’?," 17 Aug. 2019 The Tommy Hilfiger collaborator rocked several chic bikinis throughout the trip, including a seriously revealing, luminous orange number by Danielle Guizio and a strapless bikini by fellow Victoria's Secret model Devon Windsor. Amy Mackelden, Harper's BAZAAR, "Gigi Hadid and Her Sisters Were Allegedly Robbed During Their Mykonos Vacation," 10 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'luminous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of luminous

15th century, in the meaning defined at sense 1a

History and Etymology for luminous

Middle English, from Latin luminosus, from lumin-, lumen

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Statistics for luminous

Last Updated

12 Sep 2019

Look-up Popularity

Time Traveler for luminous

The first known use of luminous was in the 15th century

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More Definitions for luminous

luminous

adjective

English Language Learners Definition of luminous

: producing or seeming to produce light
: filled with light : brightly lit
: very bright in color

luminous

adjective
lu·​mi·​nous | \ ˈlü-mə-nəs How to pronounce luminous (audio) \

Kids Definition of luminous

: giving off light The dial of the clock was luminous and it shed a very soft green light.— George Selden, The Cricket in Times Square

Other Words from luminous

luminously adverb

luminous

adjective
lu·​mi·​nous | \ ˈlü-mə-nəs How to pronounce luminous (audio) \

Medical Definition of luminous

1 : emitting or reflecting usually steady, suffused, or glowing light
2 : of or relating to light or to luminous flux

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More from Merriam-Webster on luminous

Rhyming Dictionary: Words that rhyme with luminous

Thesaurus: All synonyms and antonyms for luminous

Spanish Central: Translation of luminous

Nglish: Translation of luminous for Spanish Speakers

Britannica English: Translation of luminous for Arabic Speakers

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