Definition of luminousnext
1
2
3

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 Made to melt into the skin, blur imperfections, and provide a subtle, luminous glow, the skin tint also serves as an antioxidant serum. Jenny Berg, Glamour, 22 June 2026 In the clip, the luminous actress walks into a room in a white dress with her arms crossed. Patrick Ryan, USA Today, 19 June 2026 The light is dancing magically over the water making everything look luminous. Alysia Reiner, Flow Space, 18 June 2026 The luminous product adds a dewy finish to your skin while also moisturizing, thanks to a combination of shea butter and glycerin. Izzy Baskette, PEOPLE, 16 June 2026 See All Example Sentences for luminous
Recent Examples of Synonyms for luminous
Adjective
  • But by then Arthur has published a glowing account of his time in Widow’s Bay and tourists start flocking to the island for the summer season.
    Jennifer Ouellette, ArsTechnica, 21 June 2026
  • Broncos general manager George Paton is a close friend of Fisch, and the Washington head coach gave a glowing evaluation.
    Luca Evans, Denver Post, 21 June 2026
Adjective
  • Parts of the region visually resemble Lake Tahoe, thanks to gorgeous lakes, elevation changes, and a variety of excellent golf courses that are perpetually in outstanding condition.
    Scott Kramer, Forbes.com, 21 June 2026
  • There will be a lasting impact on economic growth as the country faces a long process resolving outstanding costs, according to analysts.
    Rebecca Schneid, Time, 21 June 2026
Adjective
  • The Statue of Liberty, multiple films This unmistakable statue has been a symbol of welcome to immigrants entering New York’s harbor since it was given to the United States by France in 1886.
    Jennie Yabroff, USA Today, 26 June 2026
  • The drivers will speed past landmarks including the Smithsonian National Air and Space Museum, the National Gallery of Art and the National Archives, creating a course that blends technical challenge with an unmistakable and historic backdrop.
    Bruce Martin, Forbes.com, 25 June 2026
Adjective
  • Whatever political direction Democrats plan to take their party in two years at their National Convention to elect a presidential nominee, Denver offers a shining example of what a city looks like when governance goes right for many decades, led by heart and hard work.
    The Denver Post Editorial Board, Denver Post, 5 May 2026
  • So naturally in a state that treats basketball like a religion and the sport’s biggest stars like royalty, nobody casts a bigger shadow in this community now than the slender 6-foot-6, 196-pound, 19-year-old freshman who changed Final Four weekend with one brilliant shining moment Sunday afternoon.
    Michael Marot, Chicago Tribune, 1 Apr. 2026
Adjective
  • Liu, then a Tencent distinguished scientist (a senior title the Chinese tech giant gives to elite researchers) leading the company’s development of its Hunyuan AI model from scratch, saw where the industry was heading.
    Zinnia Lee, Forbes.com, 25 June 2026
  • Advertisement As in Curb, the list of guest stars is long, distinguished, and smartly deployed.
    Judy Berman, Time, 24 June 2026
Adjective
  • Sure enough, all tires were up and there were no obvious punctures or hissing sounds.
    Doug Turnbull, AJC.com, 28 June 2026
  • One of the first obvious things was that Larry is the guy who told Lincoln to go see that play.
    Ethan Shanfeld, Variety, 27 June 2026
Adjective
  • Vinícius Junior scored a dazzling one in Brazil’s opener.
    Stephen Whyno, Chicago Tribune, 21 June 2026
  • There was a dazzling array of sneakers in every hue under the sun, including at least one pair adorned with gold sequins.
    Mary Carole McCauley, Baltimore Sun, 20 June 2026
Adjective
  • The 31-year-old is set to make history as the youngest host of the prestigious award show.
    Mikey Fresh, VIBE.com, 26 June 2026
  • The annual £120,000 ($158,000) honor is the most prestigious museum prize in the nation and the largest of its kind in the world.
    News Desk, Artforum, 26 June 2026

Browse Nearby Words

Cite this Entry

“Luminous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/luminous. Accessed 29 Jun. 2026.

More from Merriam-Webster on luminous

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster