[ bril-yuhns ]
/ ˈbrɪl yəns /


great brightness; luster: the brilliance of a fine diamond.
excellence or distinction; conspicuous talent, mental ability, etc.
splendor, elegance, or magnificence: the brilliance of the court of Louis XIV.
Optics. that luminance of a body consisting of its saturation and brightness.

Origin of brilliance

First recorded in 1745–55; brilli(ant) + -ance

Related forms

o·ver·bril·liance, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for brilliance

British Dictionary definitions for brilliance



/ (ˈbrɪljəns) /


great brightness; radiance
excellence or distinction in physical or mental ability; exceptional talent
splendour; magnificencethe brilliance of the royal court
physics a former term for luminance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012