- having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- Archaic. having keen vision.
Origin of perspicacious
SynonymsSee more synonyms on Thesaurus.com
1. perceptive, acute, shrewd, penetrating.
1. dull, stupid.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- acutely perceptive or discerning
- archaic having keen eyesight
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
Word Origin and History for perspicaciousness
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