Definition of perspicacious adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌpɜːspɪˈkeɪʃəs//
; NAmE NAmE//ˌpɜːrspɪˈkeɪʃəs//
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able to understand somebody/something quickly and accurately; showing this a perspicacious remark He was perspicacious enough to realize that things were soon going to change. Word Originearly 17th cent.: from Latin perspicax, perspicac- ‘seeing clearly’ + -acious.
See the Oxford Advanced American Dictionary entry: perspicacious