Synonyms of brilliancy

brilliancy

noun

ˈbril-yən(t)-sē 

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

Synonyms & Similar Words

• brightness
• brilliance
• lightness
• illumination
• effulgence
• luster
• glow
• luminosity
• radiance
• glare
• splendor
• dazzle
• light
• candor
• luminousness
• refulgence
• glint
• luminance
• gleam
• flicker
• lustrousness
• lambency
• flame
• luminescence
• incandescence
• fluorescence
• twinkle
• blaze
• sheen
• shimmer
• glimmer
• sparkle
• fire
• gloss
• flare
• polish
• flash
• scintillation
• shine
• shininess
• glitter
• glisten
• burnish

Antonyms & Near Antonyms

• dullness
• blackness
• darkness
• dark
• dimness
• duskiness
• gloominess
• somberness
• cloudiness
• obscurity
• haziness
• paleness
• murkiness
• grayness
• colorlessness
• obscureness
• lackluster
• shadiness
• shadowiness

Example Sentences

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