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perspicacious

[pur-spi-key-shuh s] /ˌpɜr spɪˈkeɪ ʃəs/
adjective
1.
having keen mental perception and understanding; discerning:
to exhibit perspicacious judgment.
2.
Archaic. having keen vision.
Origin of perspicacious
1610-1620
First recorded in 1610-20; perspicaci(ty) + -ous
Related forms
perspicaciously, adverb
perspicaciousness, noun
Can be confused
perspicacious, perspicuous.
Synonyms
1. perceptive, acute, shrewd, penetrating.
Antonyms
1. dull, stupid.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for perspicacious
Historical Examples
  • He knew him to be nervous, on the one hand, and perspicacious on the other.

    Cosmopolis, Complete Paul Bourget
  • Perhaps we can worm some information out of the perspicacious Jennie.

    The Deep Lake Mystery Carolyn Wells
  • Such a policy was, of course, indicative of a shrewd and perspicacious mind.

    Catherine de' Medici Honore de Balzac
  • Fortunately for you and for me, you are not so perspicacious in psychology as this young lady.

    Csar or Nothing Po Baroja Baroja
  • She consulted with the perspicacious Mr. Harris, and especially sought from him detailed information as to partnership law.

    Within the Law Marvin Dana
  • You are a perspicacious observer, Mr. Brocken; and to be that is to be alive in a world of the moribund.

    Henry Brocken

    Walter J. de la Mare
  • But the fact that the Ghetto was perspicacious did not mitigate the author's treachery to his race and faith.

  • perspicacious fellow,” muttered Jefferson, who did not like Charles Wilbraham.

    Mystery at Geneva Rose Macaulay
  • All was precise and perspicacious, as is required in pleadings in the civil courts.

  • The words you used in the presence of so grave and perspicacious a judge amounted to something very like this.

British Dictionary definitions for perspicacious

perspicacious

/ˌpɜːspɪˈkeɪʃəs/
adjective
1.
acutely perceptive or discerning
2.
(archaic) having keen eyesight
Derived Forms
perspicaciously, adverb
perspicacity (ˌpɜːspɪˈkæsɪtɪ), perspicaciousness, noun
Word Origin
C17: from Latin perspicax, from perspicere to look at closely; see perspective
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
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Word Origin and History for perspicacious
adj.

1630s, formed as an adjective to perspicacity, from Latin perspicax "sharp-sighted, having the power of seeing through; acute" (see perspicacity). Related: Perspicaciously; perspicaciousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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