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 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 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, 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.

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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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Cite this Entry

“Brilliancy.” Dictionary, Merriam-Webster, Accessed 27 May. 2022.

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More from Merriam-Webster on brilliancy

Nglish: Translation of brilliancy for Spanish Speakers

Britannica English: Translation of brilliancy for Arabic Speakers


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