American English

Definition of perspicacious adjective from the Oxford Advanced American Dictionary

 

perspicacious

 adjective
adjective
NAmE//ˌpərspɪˈkeɪʃəs//
 
(formal)
 
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able to understand someone or something quickly and accurately; showing this a perspicacious remark He was perspicacious enough to realize that things were soon going to change.
perspicacity
 
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NAmE//ˌpərspɪˈkæsət̮i//
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: perspicacious