AskDefine | Define perspicacious

Dictionary Definition

perspicacious adj
1 acutely insightful and wise; "much too perspicacious to be taken in by such a spurious argument"; "observant and thoughtful, he was given to asking sagacious questions"; "a source of valuable insights and sapient advice to educators" [syn: sagacious, sapient]
2 mentally acute or penetratingly discerning; "too clear-eyed not to see what problems would follow"; "chaos could be prevented only by clear-sighted leadership"; "much too perspicacious to be taken in by so spurious an argument" [syn: clear-eyed, clear-sighted]

User Contributed Dictionary



First attested 1548, from perspicacitas, from perspicax, from perspicio, from per- + specio. See also perspective.


  • a RP /ˌpɜː.spɪˈkeɪ.ʃəs/, /%p3:.spI"keI.S@s/
  • a US , /ˌpɜːɹ.spɪˈkeɪ.ʃəs/
  • Rhymes with: -eɪʃəs


  1. Of acute discernment; having keen insight; mentally perceptive.
  2. Having the power of seeing clearly; quick-sighted; sharp-sighted.
showing keen insight
  • Finnish: tarkkanäköinen
  • Polish: wnikliwy
  • Russian: проницательный
  • Spanish: perspicaz, perspicaces
having the power of seeing clearly
  • Polish: bystry
  • Russian: зоркий
  • Swedish: klarsynt

Synonyms, Antonyms and Related Words

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