impenetrability

About 0.11 uses per million words.

Meaning

1. noun The characteristic of being impenetrable; invulnerability.

Similar words

imperviousness impenetrableness impregnability imperviableness imperviability invulnerableness impregnableness invulnerability unimpugnability impassability

Often followed by

of and is to condition in or as that

Word family

impenetrabilities