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
Pinnacle of splendor On Sunday morning, April 27, Venus comes up in total darkness while shining at its greatest brilliancy (magnitude –4.7).
—
Joe Rao, Space.com, 4 Apr. 2025
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
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
Recent Examples of Synonyms for brilliancy
Noun
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Still, you'll be rewarded with top-notch picture processing matched with vibrant brightness and colors, as well as Samsung's pedestal-style floating-screen design and plenty of gaming features.—
Ryan Waniata,
Wired News,
11 July 2025
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Solar geoengineering activities involve cooling the Earth by reflecting sunlight into space through the dispersal of small particles into the upper atmosphere or by increasing the size and brightness of clouds over the ocean, among other ideas.—
Pilar Melendez,
NBC news,
10 July 2025
Noun
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Exactly in that single sentence, all of Matt's brilliance tied up into this one thing.—
Rob Wieland,
Forbes.com,
30 June 2025
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The duo propelled the decor into the ’50s and ’60s, celebrating the brilliance of Italian masters Giò Ponti, Nanda Vigo, Gae Aulenti and Osvaldo Borsani.—
Sofia Celeste,
Footwear News,
28 June 2025
Noun
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When the theme arrived in the cellos, Guerrero maintained their levity and grace throughout the movement — and, in fact, throughout much of the piece, bringing an aerodynamic lightness even to the symphony’s final cadence.—
Hannah Edgar,
Chicago Tribune,
21 June 2025
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After Appeals Court Pauses Ruling While the bolster gives support and balance to the knife, the lightness of the bolster-free Japanese knives offers ergonomic benefits.—
Akiko Katayama,
Forbes.com,
13 June 2025
Cite this Entry
“Brilliancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brilliancy. Accessed 15 Jul. 2025.
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