'Impenetrability' definitions:
Definition of 'impenetrability'
From: WordNet
noun
The quality of being impenetrable (by people or light or missiles etc.) [syn: impenetrability, imperviousness] [ant: penetrability, perviousness]
noun
Incomprehensibility by virtue of being too dense to understand [syn: impenetrability, impenetrableness]
Definition of 'Impenetrability'
From: GCIDE
- Impenetrability \Im*pen`e*tra*bil"i*ty\, n. [Cf. F. imp['e]n['e]trabilit['e].]
- 1. Quality of being impenetrable. [1913 Webster]
- 2. (Physics) That property in virtue of which two portions of matter can not at the same time occupy the same portion of space. [1913 Webster]
- 3. Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness. [1913 Webster]