impenetrable, adj.
impossible to understand
<adj.all>
impenetrable
sample sentences
"impenetrable jargon"
lexical pointers
derivationally related form
semantic pointers
similar to
not admitting of penetration or passage into or through
<adj.all>
impenetrable
sample sentences
"an impenetrable fortress""impenetrable rain forests"
semantic pointers
similar to
permitting little if any light to pass through because of denseness of matter
<adj.all> freq. cnt.: 4 freq. cnt.: 4
dense heavy impenetrable