LEARNit Dictionary
impenetrable
adjective
/ɪmˈpenɪtrəbl/
UK
/ɪmˈpenɪtrəbl/
US
1
that cannot be entered, passed through or seen through
غیر قابل نفوذ, نفوذ ناپذیر, رسوخناپذیر
opposite
penetrable
2
impossible to understand
غیرقابلدرک, غیرقابلفهم
an impenetrable mystery
Her expression was impenetrable.
Their jargon is impenetrable to an outsider.
synonym
incomprehensible