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English definition of “perspicacious”

perspicacious

adjective     /ˌpɜː.spɪˈkeɪ.ʃəs/ US  /ˌpɝː-/ formal approving
quick in noticing, understanding, or judging things accurately: His perspicacious grandfather had bought the land as an investment, guessing that there might be gold underground.Wise and sensibleIntelligencePerceptive
(Definition of perspicacious adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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