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English definition of “expert”


noun [C]  /ˈek·spɜrt/ us  
a person having a high level of knowledge or skill in a particular subject: He is the administration’s foreign-policy expert for eastern Europe.
adjective [not gradable]  /ˈek·spɜrt, ɪkˈspɜrt/ us  
She’s an expert swimmer.
adverb [not gradable]  /ˈek·spɜrt·li, ɪkˈspɜrt·li/ us  
(Definition of expert from the Cambridge Academic Content Dictionary © Cambridge University Press)
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