- having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
- Archaic. having keen vision.
Origin of perspicacious
SynonymsSee more synonyms for perspicacious on Thesaurus.com
Examples from the Web for perspicacious
He knew him to be nervous, on the one hand, and perspicacious on the other.Cosmopolis, Complete
Perhaps we can worm some information out of the perspicacious Jennie.The Deep Lake Mystery
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
- acutely perceptive or discerning
- archaic having keen eyesight
Word Origin and History for perspicacious
1630s, formed as an adjective to perspicacity, from Latin perspicax "sharp-sighted, having the power of seeing through; acute" (see perspicacity). Related: Perspicaciously; perspicaciousness.