the quality of being impenetrable (by people or light or missiles etc.)
[ Syn: imperviousness , imperviousness ]
incomprehensibility by virtue of being too dense to understand
[ Syn: impenetrableness ]
the quality of being impenetrable (by people or light or missiles etc.)
[ Syn: imperviousness , imperviousness ]
incomprehensibility by virtue of being too dense to understand
[ Syn: impenetrableness ]