as in brightness
the quality or state of having or giving off light
the brilliancy of the diamond is shown to good effect by the museum's lighting
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Recent Examples of brilliancy
So, astronomers have come up with a compromise regarding the geometry of the sun's illumination angle on Venus' disk versus its distance from Earth to determine the time of Venus' greatest brilliancy.
—
Joe Rao, Space.com, 4 Apr. 2025
Family circles will have wrapped themselves in the holy pleasures of the great occasion, and everywhere the grand old holiday will have been introduced with all the majesty and brilliancy which clings around the hallowed name of Christmas.
—Michael Barnes, Austin American-Statesman, 23 Dec. 2024
The Red Planet, shining at magnitude –1.4, is 40° to the east-northeast, and the king of planets, Jove, still near its greatest brilliancy for the year at magnitude –2.8, lies 46° west-southwest of Luna.
—Michael E. Bakich, Discover Magazine, 7 Nov. 2022
Set emerald green against bright white to highlight its brilliancy.
—Jessica Bennett, Better Homes & Gardens, 7 Jan. 2022
Tonight also sees Venus is at greatest brilliancy, so get eyes-on with the second planet from the Sun right after sunset.
—Jamie Carter, Forbes, 5 Dec. 2021
One of these stars may rise from almost invisibility to a brilliance equaling 100,000,000 times the brilliancy of our sun, although, of course, such super novae are so far away that the estimates can be made only with telescopes.
—Popular Mechanics Editors, Popular Mechanics, 17 Dec. 2020
The truth is that in the history of chess, spanning more than a millennium, there hasn’t been a single human brilliancy, however wayward and unexpected, that a computer could not have located.
—Brad Leithauser, WSJ, 8 Nov. 2018
Joe Rao, Space.com, 4 Apr. 2025
Family circles will have wrapped themselves in the holy pleasures of the great occasion, and everywhere the grand old holiday will have been introduced with all the majesty and brilliancy which clings around the hallowed name of Christmas.
—Michael Barnes, Austin American-Statesman, 23 Dec. 2024
The Red Planet, shining at magnitude –1.4, is 40° to the east-northeast, and the king of planets, Jove, still near its greatest brilliancy for the year at magnitude –2.8, lies 46° west-southwest of Luna.
—Michael E. Bakich, Discover Magazine, 7 Nov. 2022
Set emerald green against bright white to highlight its brilliancy.
—Jessica Bennett, Better Homes & Gardens, 7 Jan. 2022
Tonight also sees Venus is at greatest brilliancy, so get eyes-on with the second planet from the Sun right after sunset.
—Jamie Carter, Forbes, 5 Dec. 2021
One of these stars may rise from almost invisibility to a brilliance equaling 100,000,000 times the brilliancy of our sun, although, of course, such super novae are so far away that the estimates can be made only with telescopes.
—Popular Mechanics Editors, Popular Mechanics, 17 Dec. 2020
The truth is that in the history of chess, spanning more than a millennium, there hasn’t been a single human brilliancy, however wayward and unexpected, that a computer could not have located.
—Brad Leithauser, WSJ, 8 Nov. 2018
Recent Examples of Synonyms for brilliancy
Noun
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Golden seared chops pair beautifully with tart red apples and a touch of mustard for brightness.—
Melinda Salchert,
Southern Living,
29 Sep. 2025
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Factors like light pollution, moon brightness, and geomagnetic activity affect visibility.—
Kathleen Wong,
USA Today,
26 Sep. 2025
Noun
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With Venus entering your sign on August 25, your magnetism is undeniable, but the Three of Pentacles reminds you that your brilliance shines brighter when it’s shared.—
Meghan Rose,
Glamour,
1 Oct. 2025
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It was designed for brilliance.—
Nick Lichtenberg,
Fortune,
1 Oct. 2025
Noun
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There were a lot of bold colors in the collections, transparency and lightness.—
Samantha Conti,
Footwear News,
29 Sep. 2025
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The building has kept some of this lightness of feeling all these years later, smallish and airy, its multiple exits and entrances providing the possibility of spontaneity.—
Katie da Cunha Lewin
September 26,
Literary Hub,
26 Sep. 2025
Cite this Entry
“Brilliancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brilliancy. Accessed 6 Oct. 2025.
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