impenetrableness
nounEtymology From impenetrable + -ness.
1
The quality of being impenetrable.
- I need not add, that to a mind of elegance and sensibility, the emblematical allusion which this dress would carry to the secrecy and impenetrableness of the person that wears it, must be the source of a delightful and exquisite sensation.1783, William Godwin, Four Early Pamphlets:
- The stars, the night, the dark blue of heaven hid the secret in their impenetrableness.1919, Zane Grey, The Desert of Wheat: