bril·​lian·​cy | \ ˈbril-yən(t)-sē How to pronounce brilliancy (audio) \
plural brilliancies

Definition of brilliancy

2 : an instance of brilliance

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Examples of brilliancy in a Sentence

the brilliancy of the diamond is shown to good effect by the museum's lighting

Recent Examples on the Web

The truth is that in the history of chess, spanning more than a millennium, there hasn’t been a single human brilliancy, however wayward and unexpected, that a computer could not have located. Brad Leithauser, WSJ, "‘The Grandmaster’ Review: The 64-Square Universe," 8 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brilliancy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brilliancy

1732, in the meaning defined at sense 1

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The first known use of brilliancy was in 1732

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showing courage and determination

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