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bril·lian·cy | \ ˈbril-yən(t)-sē 
\
\ plural brilliancies
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
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Time Traveler for brilliancy
The first known use of brilliancy was in 1732
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