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English definition of “impenetrable”

impenetrable

adjective
 
 
/ɪmˈpenɪtrəbl/
CANNOT UNDERSTAND impossible to understand: impenetrable jargonDifficult things and peoplePreventing and impedingDifficult to understandComplicated and difficult to doPuzzle and confuse
CANNOT SEE/GO THROUGH impossible to see through or go through: impenetrable fogDifficult things and peoplePreventing and impeding
(Definition of impenetrable from the Cambridge Learners Dictionary © Cambridge University Press)
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