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Webster 1913 Edition

Noun.

[L.

inviolabilitas

: cf. F.

inviolabilité

The quality or state of being inviolable; inviolableness.

Noun.

[from inviolable.] The quality or state of being inviolable; as the inviolability of crowned heads.

The quality of not being subject to be broken.

inviolability ‎(countable and uncountable, plural inviolabilities)

inviolability in The Century Dictionary, The Century Co., New York, 1911
inviolability in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913