BRILLIANCY Synonyms: 64 Similar and Opposite Words

brilliancy

noun

ˈbril-yən(t)-sē

Definition of brilliancy

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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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 brilliancy Greatest brilliancy marks the sweet spot between the two, when Venus' apparent size and shrinking phase combine to give us the greatest apparent area of illuminated Venus in our sky. — Anthony Wood, Space.com, 18 Sep. 2026 The result is an incredible repository of vexations, bafflements, witticisms, and brilliancies. — Becca Rothfeld, New Yorker, 1 June 2026 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 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

Recent Examples of Synonyms for brilliancy

Noun

Lasting less than 60 days and consisting of two 5-day blasts, this episode saw a doubling of the X-ray brightness of the AGN at the heart of NGC 1275.

— Robert Lea, Space.com, 12 Oct. 2026
My test unit's IPS screen is well-suited to office work, with enough brightness for most environments and complete coverage of the sRGB color space.

— Charles Jefferies, PC Magazine, 11 Oct. 2026

Definition of brightness

Noun

Optimism is a key theme, expressed through color, embellishment, interesting fabrics and prints, alongside a new sense of lightness designed for the realities of summer.

— Sandra Salibian, Footwear News, 13 Oct. 2026
The show set, which was a recreation of a cityscape with futuristic cars hovering over the runway, was a collaboration with set designer James Chinlund that contrasted with the lightness of the collection.

— Laure Guilbault, Vogue, 7 Oct. 2026

Definition of lightness

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brilliance

brilliancy

brilliant

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“Brilliancy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brilliancy. Accessed 20 Oct. 2026.

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Synonyms of brilliancy

noun

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