Impenetrability

[ɪm,pɛnətrə'bɪləti]

(noun.) incomprehensibility by virtue of being too dense to understand.

(noun.) the quality of being impenetrable (by people or light or missiles etc.).

Inputed by Bernard--From WordNet

(n.) Quality of being impenetrable.

(n.) That property in virtue of which two portions of matter can not at the same time occupy the same portion of space.

(n.) Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness.

Typist: Rachel

Typed by Bert