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Related to inviolableness: inevitableness
1. Secure from violation or profanation: an inviolable reliquary deep beneath the altar.
2. Impregnable to assault or trespass; invincible: fortifications that made the frontier inviolable.
[Middle English, from Old French, from Latin inviolābilis : in-, not; see in-1 + violāre, to violate; see violate.]
in·vi′o·la·bil′i·ty, in·vi′o·la·ble·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.