brilliancy
noun
\
Definition of brilliancy
1 : brilliance
2 : an instance of brilliance
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Synonyms & Antonyms for brilliancy
Synonyms
brightness, brilliance, candor, dazzle, effulgence, illumination, lambency, lightness, luminance, luminosity, luminousness, luster (or lustre), lustrousness, radiance, refulgence, splendor
Antonyms
blackness, dark, darkness, dullness (also dulness), duskiness
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