brilliancy

[ bril-yuh n-see ]
/ ˈbrɪl yən si /

noun, plural bril·lian·cies for 1.

an instance of brilliance: the brilliancies of Congreve's wit.

Origin of brilliancy

First recorded in 1740–50; brilli(ant) + -ancy
Related formso·ver·bril·lian·cy, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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