brilliant 1 of 2

Definition of brilliantnext
1
2
as in clever
having or showing quickness of mind a brilliant boy who left for college at the age of 16

Synonyms & Similar Words

Antonyms & Near Antonyms

3

brilliant

2 of 2

noun

as in gem
a usually valuable stone cut and polished for ornament the diamond cutter set out an array of brilliants to show the various ways the diamond could be cut

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How does the adjective brilliant differ from other similar words?

Some common synonyms of brilliant are bright, luminous, lustrous, and radiant. While all these words mean "shining or glowing with light," brilliant implies intense often sparkling brightness.

When could bright be used to replace brilliant?

While in some cases nearly identical to brilliant, bright implies emitting or reflecting a high degree of light.

When is it sensible to use luminous instead of brilliant?

While the synonyms luminous and brilliant are close in meaning, luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness.

When would lustrous be a good substitute for brilliant?

The words lustrous and brilliant can be used in similar contexts, but lustrous stresses an even, rich light from a surface that reflects brightly without glittering.

Where would radiant be a reasonable alternative to brilliant?

Although the words radiant and brilliant have much in common, radiant stresses the emission or seeming emission of rays of light.

How does the adjective brilliant differ from other similar words?

Some common synonyms of brilliant are bright, luminous, lustrous, and radiant. While all these words mean "shining or glowing with light," brilliant implies intense often sparkling brightness.

When could bright be used to replace brilliant?

While in some cases nearly identical to brilliant, bright implies emitting or reflecting a high degree of light.

When is it sensible to use luminous instead of brilliant?

While the synonyms luminous and brilliant are close in meaning, luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness.

When would lustrous be a good substitute for brilliant?

The words lustrous and brilliant can be used in similar contexts, but lustrous stresses an even, rich light from a surface that reflects brightly without glittering.

Where would radiant be a reasonable alternative to brilliant?

Although the words radiant and brilliant have much in common, 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 brilliant
Adjective
Not only will marigolds trap the aphids and whiteflies that threaten your cheerful gerbera daisies, but the combination of colors between the two blooms makes for the most brilliant and happy summer garden. Heather Bien, The Spruce, 24 Apr. 2026 Makar put Colorado ahead in the second, dangling just inside the blue line and firing a brilliant wrist shot through traffic. ABC News, 24 Apr. 2026 Cam Schlittler, the former Walpole High and Northeastern University standout who ended the Red Sox’s season with his Game 3 gem in the American League Wild Card Series last fall, was brilliant in his first professional start at Fenway Park. Mac Cerullo, Boston Herald, 24 Apr. 2026 What went into achieving that brilliant energy between you and Mitchell, behind the scenes? Lily Ford, HollywoodReporter, 24 Apr. 2026 See All Example Sentences for brilliant
Recent Examples of Synonyms for brilliant
Adjective
  • Some of the most beautiful nights of my life have been spent under the stars watching a meteor shower, comet or simply a dazzling Milky Way.
    Ernie Cowan, San Diego Union-Tribune, 26 Apr. 2026
  • Pro baseball scouts have taken notice of his dazzling ability, with many in attendance behind home plate with radar guns in hand for each of his starts.
    Jack Murray, Boston Herald, 26 Apr. 2026
Adjective
  • Make working from home more enjoyable with a clever USB desk fan ($8) and soothing essential oil diffuser ($7).
    Mariana Best, Better Homes & Gardens, 25 Apr. 2026
  • Through it all, the cats remain the center of her world — unpredictable, clever and endlessly entertaining.
    Ashley Vega, PEOPLE, 24 Apr. 2026
Adjective
  • Most importantly, playing prominent roles alongside a respected veteran and thoughtful mentor in Zibanejad really seemed to propel the young wingers, who finished the season by combining for 43 points (24 for Lafrenière and 19 for Perreault) in the final 23 games.
    Vincent Z. Mercogliano, New York Times, 27 Apr. 2026
  • Collagen loss accelerates, cell turnover slows, and deep wrinkles become more prominent.
    Lauren Jarvis-Gibson, Kansas City Star, 27 Apr. 2026
Noun
  • Regardless, this is a very underrated Scott Adkins gem that's mandatory viewing for action and sci-fi fans.
    Sergio Pereira, Space.com, 25 Apr. 2026
  • Cam Schlittler, the former Walpole High and Northeastern University standout who ended the Red Sox’s season with his Game 3 gem in the American League Wild Card Series last fall, was brilliant in his first professional start at Fenway Park.
    Mac Cerullo, Boston Herald, 24 Apr. 2026
Adjective
  • The mother-daughter duo both wore white ensembles, with Kourtney adding a pop of silver with her coat and Penelope going for luminous gold loafers.
    Diane J. Cho, PEOPLE, 27 Apr. 2026
  • Their luminous glow, ranging from the classic creamy white to delicate pinks and mysterious blacks, adds a touch of understated luxury to any ensemble.
    Nicole Letts, Southern Living, 27 Apr. 2026
Adjective
  • The son of four-time Pro Bowl linebacker Jeremiah Trotter, he is viewed as a physical and intelligent defender.
    The Kansas City Star, Kansas City Star, 25 Apr. 2026
  • Our interface makes intelligent use of swipes and gestures rather than tapping or dialing.
    David Szondy April 25, New Atlas, 25 Apr. 2026
Adjective
  • The Moon moves through your 10th House of Visibility, where your structure is more noticeable.
    Tarot.com, Hartford Courant, 28 Apr. 2026
  • The combination of skilled care, more affordable pricing, and the appeal of travelling for treatment has shaped a noticeable trend.
    K.H. Koehler, USA Today, 28 Apr. 2026
Noun
  • The crown jewel is the 1988 Club, a transformation of the former Courtside Club into the franchise’s most exclusive offering.
    Taylor Stoddard, Robb Report, 30 Apr. 2026
  • The jewel stayed with his son and successor, Duleep Singh, until the British Empire overtook Punjab a decade later.
    Doha Madani, NBC news, 30 Apr. 2026

Browse Nearby Words

Cite this Entry

“Brilliant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brilliant. Accessed 2 May. 2026.

More from Merriam-Webster on brilliant

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