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

Within ideologies like effective altruism, very earnest and brilliant young minds unironically debate the purpose of putting on sunscreen if AI is only going to kill us all. — Rumman Chowdhury, Rolling Stone, 25 Sep. 2026 Jang, meanwhile, begins the show as a brilliant and impeccably virtuous prosecutor who simply wants to serve his country and expunge the drug trade. — Patrick Brzeski, HollywoodReporter, 24 Sep. 2026 And, as tends to happen when alcohol enters the equation, the two came up with a brilliant idea. — Amber Harding Outkick, FOXNews.com, 24 Sep. 2026 Her piece on Howie Rose incorporating snippets of lyrics by Howie’s beloved Beatles was brilliant, and all of her articles have been insightful and informative. — Voice Of The People, New York Daily News, 23 Sep. 2026 See All Example Sentences for brilliant

Recent Examples of Synonyms for brilliant

Adjective

Unlike destructive anti-satellite weapons, which can permanently damage spacecraft or generate debris, laser dazzling is intended to interfere with a satellite’s sensors without physically destroying it.

— Kaif Shaikh, Interesting Engineering, 25 Sep. 2026
Great virtuosi such as violinist Isaac Stern, pianist Van Cliburn, soprano Leontyne Price and hosts of other incredible artists, both American and from abroad, blessed our concert halls with their dazzling artistry.

— Letters to the Editor, Washington Post, 25 Sep. 2026

Definition of dazzling

Adjective

Don’t trip over its clever crossing with 5D’s [Certain loopholes], which refers to holes for shoelaces, or EYELETS.

— Sean McGowan, New York Times, 25 Sep. 2026
That set, which was designed by Saul Kim, is genuinely spectacular to look at, as are the bright, casual costumes and the clever lighting.

— Emily Nussbaum, New Yorker, 24 Sep. 2026

Definition of clever

Adjective

El Sayed met with Schumer and other prominent Democrats in recent weeks, who have all rallied behind the hopeful as the race increasingly looks in the Left’s favor.

— Claire Carter, The Washington Examiner, 1 Oct. 2026
Beam alleges Chinese company stole its IP Beam Therapeutics has filed a lawsuit alleging one of its former scientists stole intellectual property and used it to co-found a Chinese company that recently made a deal with prominent VC firms.

— Elaine Chen, STAT, 30 Sep. 2026

Definition of prominent

Noun

Her closet is full of gifted designer pieces, brand-deal holdovers, and fashion-industry gems, meaning her work wardrobe is, frankly, pretty hard to compete with.

— Morgan Sullivan, Glamour, 29 Sep. 2026
Cam Schlittler pitched another playoff gem against the Red Sox, and Ben Rice also burned their hometown team with a late grand slam and six RBIs as the New York Yankees opened this Wild Card Series rematch by romping to a 9-0 victory Tuesday night.

— ABC News, ABC News, 29 Sep. 2026

Definition of gem

Adjective

By providing 24/7 availability and intelligent routing, AI contact centers can help reduce wait times, improve access and ensure no call for help goes unanswered.

— Sameer Bhat, Forbes.com, 25 Sep. 2026
With every whimper, sigh, howl, bark and head tilt, these dogs create an empathetic portrayal of a highly intelligent creature that has been through battle and has the scars (and nightmares) to prove it.

— Katie Walsh, Los Angeles Times, 24 Sep. 2026

Definition of intelligent

Adjective

From a high-rise balcony, the sound would be hardly noticeable, Kasdin said, citing the expert’s findings.

— Miami Herald, Miami Herald, 25 Sep. 2026
The weather could start to change for the region as early as Sunday, but the hurricanes’ effects are most likely to be noticeable Monday and Tuesday.

— Jack Dolan, Los Angeles Times, 25 Sep. 2026

Definition of noticeable

Noun

The table furthest to the left (when walking out of the main dining room) is the crown jewel.

— Condé Nast, Condé Nast Traveler, 29 Sep. 2026
Each nail was painted a creamy, satiny nude hue from base to tip, but her ring fingers got a little extra glam, with three rhinestones placed right at the base—a red jewel framed by a diamond to match her ruby-colored outfit, of course.

— Kara Nesvig, Allure, 28 Sep. 2026

Definition of jewel

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brilliancy

brilliant

brilliantly

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“Brilliant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brilliant. Accessed 1 Oct. 2026.

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Synonyms of brilliant

adjective

noun

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