IMPREGNABILITY

Pronunciation (US): (GB):

Meaning:

Having the strength to withstand attack

Synonyms:

impregnability; invulnerability

Classified under:

Nouns denoting stable states of affairs

Hypernyms ("impregnability" is a kind of...):

safety (the state of being certain that adverse effects will not be caused by some agent under defined conditions)

Derivation:

impregnable (immune to attack; incapable of being tampered with)