impregnability
English
editNoun
editimpregnability (uncountable)
- The quality or state of being impregnable; invincibility.
References
edit- “impregnability”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
- “impregnability”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.