Hypertext Webster Gateway: "impenetrableness"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Impenetrableness \Im*pen"e*tra*ble*ness\, n.
The quality of being impenetrable; impenetrability.
From WordNet (r) 1.7 (wn)
impenetrableness
n : incomprehensibility by virtue of being too dense to
understand [syn: {impenetrability}]
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