BRILLIANT Synonyms: 364 Similar and Opposite Words

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: 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.

brilliant 1 of 2

adjective

ˈbril-yənt

Definition of brilliant

as in dazzling

giving off or reflecting much light a brilliant chandelier graces the hotel lobby

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

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

as in prominent

likely to attract attention a brilliant example of government waste

Synonyms & Similar Words

Antonyms & Near Antonyms

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

rough

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.

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

Kelce, in collaboration with jewelry designer Kindred Lubeck and Artifex Fine Jewelry, designed the ring, which features a massive Old Mine brilliant cut diamond. — Kate Hogan, PEOPLE, 1 July 2026 Mbappé put France ahead with a brilliant crossover step in the 45th minute and then added a second-half goal to break a World Cup knockout round scoring record, and Les Bleus beat Sweden 3-0 to set up a round of 16 match against Paraguay. — CBS News, 1 July 2026 Following a brilliant career as a player, Águas dipped his toe into management and twice took charge of the Blue Sharks – first between 2014-2016 and then from 2018 to the end of 2019. — Ben Church, CNN Money, 3 July 2026 The winner of 28 Grammys, Jones was a music producer, band leader, composer, arranger, television producer, music executive, conductor, trumpet player, civil rights activist, philanthropist and all-around brilliant person. — Hadley Hall Meares, Vanity Fair, 3 July 2026 See All Example Sentences for brilliant

Recent Examples of Synonyms for brilliant

Adjective

First, look out for the dazzling trio of stars that form the famous Summer Triangle asterism.

— Anthony Wood, Space.com, 2 July 2026
Her dazzling performances brought home gold for the stars and stripes, all while capturing the hearts of fans worldwide.

— Caroline Price, Forbes.com, 30 June 2026

Definition of dazzling

Adjective

One prominent Cherokee named Katteuha co-wrote a letter to Benjamin Franklin during the Constitutional Convention in 1787, urging him to push for peace between the Native people and settlers.

— Karissa Waddick, USA Today, 3 July 2026
The effect of protostar outflows on their environment can be seen in the JWST image via the prominent blue ridges.

— Robert Lea, Space.com, 3 July 2026

Definition of prominent

Adjective

While not a new concept, this K-beauty term for clear, poreless, luminous, and seemingly transparent skin continues to be the gold standard for beauty editors and, well, everyone else.

— Sarah Han, Allure, 6 July 2026
In person, Monaghan has that same easy warmth and luminous glow.

— Mara Santilli, Flow Space, 2 July 2026

Definition of luminous

Adjective

The robot staff behind the scenes Pudu's FlashBot will run an intelligent vending system, allowing guests to order drink deliveries by smartphone.

— Kurt Knutsson, FOXNews.com, 5 July 2026
His after-game interviews were always intelligent and sometimes humorous.

— Los Angeles Times, Los Angeles Times, 4 July 2026

Definition of intelligent

Browse Nearby Words

brilliancy

brilliant

brilliantly

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Cite this Entry

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“Brilliant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brilliant. Accessed 8 Jul. 2026.

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Synonyms of brilliant

adjective

noun

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