Definition of luminousnext
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Synonym Chooser

How does the adjective luminous differ from other similar words?

Some common synonyms of luminous are bright, brilliant, lustrous, and radiant. While all these words mean "shining or glowing with light," luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness.

When is it sensible to use bright instead of luminous?

In some situations, the words bright and luminous are roughly equivalent. However, bright implies emitting or reflecting a high degree of light.

When is brilliant a more appropriate choice than luminous?

Although the words brilliant and luminous have much in common, brilliant implies intense often sparkling brightness.

When can lustrous be used instead of luminous?

While the synonyms lustrous and luminous are close in meaning, lustrous stresses an even, rich light from a surface that reflects brightly without glittering.

In what contexts can radiant take the place of luminous?

The words radiant and luminous are synonyms, but do differ in nuance. Specifically, radiant stresses the emission or seeming emission of rays of light.

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of luminous When the skin barrier is healthy, the skin looks calmer, smoother, more luminous and more tolerant of active ingredients, Devgan tells me. Rachel Burchfield, Forbes.com, 1 June 2026 In retrospect, this traumatic event gave us a luminous, decades-long solo career that moved seamlessly from oblique art-rock to sumptuous electronica, pastoral instrumentals, and soundtrack music. Spin Staff, SPIN, 1 June 2026 The fifth full moon of 2026 reached its luminous peak on Friday, May 1. Alexiah Syrai Olsen, Sacbee.com, 31 May 2026 There are other characters who offer luminous assistance, but these are the principals in a musical tale built around Ali’s central relationships. Theater Critic, Los Angeles Times, 30 May 2026 See All Example Sentences for luminous
Recent Examples of Synonyms for luminous
Adjective
  • The way the celebrations are performances now, too, with a sea of glowing rectangles held aloft as the fourth quarter ticked away tensely.
    Hannah Keyser, CNN Money, 14 June 2026
  • There is no evidence of mockery in the photo, and if there is, certainly the glowing white swan gliding on the moat’s black water doesn’t know it.
    Steve Martin, The Atlantic, 11 June 2026
Adjective
  • The near-perfect conditions affected each vineyard parcel and variety differently, but the result is outstanding across the board.
    Mike DeSimone, Robb Report, 14 June 2026
  • Your Carolyn Bessette is outstanding.
    Selome Hailu, Variety, 14 June 2026
Adjective
  • Beijing is moving to limit any H200 inflow despite Washington’s approval, according to the Financial Times—an unmistakable signal that self-reliance beats convenience.
    Newsweek Editors, MSNBC Newsweek, 10 Dec. 2025
  • In those years, a patient’s first trip to the hospital was an unmistakable signpost — the beginning of the end.
    Marion Winik, PEOPLE, 10 Dec. 2025
Adjective
  • Those memories will remain some of the most shining and unforgettable moments of my life.
    Hannah Dailey, Billboard, 10 Mar. 2026
  • Her world, fueled by her life, was the shining and irrefutable definition of integrity.
    Josh Peter, USA Today, 20 Dec. 2025
Adjective
  • The latest trend among the bourgeoisie was owning distinguished cats, and Colette was no exception.
    Literary Hub, Literary Hub, 9 Dec. 2025
  • Holst is a distinguished professor and chair of mathematics at UC San Diego.
    Akos Rona Tas, San Diego Union-Tribune, 5 Dec. 2025
Adjective
  • Sometimes the dynamic has obvious tensions, but on this trip, I was relieved to be with a duo that seemed to genuinely like each other.
    Heather Richardson, Travel + Leisure, 8 Dec. 2025
  • Start by getting rid of obvious trash and recycling.
    Mary Cornetta, Better Homes & Gardens, 8 Dec. 2025
Adjective
  • The northern lights could give skywatchers a dazzling show tonight and over the weekend, thanks to recent solar events.
    Valerie Mesa, PEOPLE, 12 June 2026
  • In the 34th minute of a round of 16 match against Bulgaria, Negrete passed to teammate Javier Aguirre and then launched himself sideways to scissor kick Aguirre’s return volley and score a dazzling goal.
    Gitanjali Roy, Encyclopedia Britannica, 11 June 2026
Adjective
  • Some of the country’s most prestigious colleges are enrolling record numbers of low-income students — a growing admissions priority in the absence of affirmative action.
    Collin Binkley, Fortune, 11 Dec. 2025
  • The final stage of the journey goes south to Beaune in Burgundy, a region renowned for producing some of the world’s most prestigious wines.
    Taryn White, Travel + Leisure, 10 Dec. 2025

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Cite this Entry

“Luminous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminous. Accessed 17 Jun. 2026.

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