Webster’s Revised Unabridged Dictionary · 1913
Impenetrableness
Im·pen′e·tra·ble·ness (ĭm·pĕn′ē·trȧ·b'l·nĕs), n. The quality of being impenetrable; impenetrability.
Webster’s Revised Unabridged Dictionary · 1913
Im·pen′e·tra·ble·ness (ĭm·pĕn′ē·trȧ·b'l·nĕs), n. The quality of being impenetrable; impenetrability.