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[bril-yuh n-see] /ˈbrɪl yən si/
noun, plural brilliancies for 1.
an instance of brilliance:
the brilliancies of Congreve's wit.
Origin of brilliancy
1740-50; brilli(ant) + -ancy
Related forms
overbrilliancy, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for brilliancy
Historical Examples
  • I can myself, from personal knowledge, endorse all that Mr. Phillips says as to Branwell's brilliancy of intellect at this time.

    The Bront Family, Vol. 2 of 2 Francis A. Leyland
  • I say there can be no doubt that the brilliancy of your merit will secure you a favourable reception.

    The Contrast Royall Tyler
  • There was a thick border of periwinkle whose glossy dark green leaves enhanced the brilliancy of the plants beyond.

  • The gradations and brilliancy of these feather pictures are said to have been marvelous.

    Aztec Land Maturin M. Ballou
  • In the first place, she often extinguished him by the brilliancy of her arguments.

    Bureaucracy Honore de Balzac
  • What vigor would it have imparted to my imagination, what brilliancy to my fancy!

    A Day's Ride Charles James Lever
  • Orloff was excessively pale, almost unconscious, with his thick curly hair of dull black without the least brilliancy.

  • It don't look anything if there is light to overpower its own brilliancy.

    Molly Bawn Margaret Wolfe Hamilton
  • One might look at it a score of times without seeing that it varied in brilliancy.

  • It ruins the brilliancy of the colour, and prevents the dyeing of some colours.

    Vegetable Dyes Ethel M. Mairet
Word Origin and History for brilliancy

1747; see brilliant + -cy. Also cf. brilliance.

Online Etymology Dictionary, © 2010 Douglas Harper
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