[ in-vahy-uh-luh-buh l ]
/ ɪnˈvaɪ ə lə bəl /


prohibiting violation; secure from destruction, violence, infringement, or desecration: an inviolable sanctuary; an inviolable promise.
incapable of being violated; incorruptible; unassailable: inviolable secrecy.

Nearby words

  1. invigoration,
  2. invincibility,
  3. invincible,
  4. invincible armada,
  5. inviolability,
  6. inviolate,
  7. inviscation,
  8. inviscid,
  9. invisibility,
  10. invisible

Origin of inviolable

First recorded in 1400–50; late Middle English word from Latin word inviolābilis. See in-3, violable

Related formsin·vi·o·la·bil·i·ty, in·vi·o·la·ble·ness, nounin·vi·o·la·bly, adverb

Can be confusedinviolable inviolate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for inviolable

British Dictionary definitions for inviolable


/ (ɪnˈvaɪələbəl) /


that must not or cannot be transgressed, dishonoured, or broken; to be kept sacredan inviolable oath
Derived Formsinviolability or inviolableness, nouninviolably, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for inviolable



mid-15c., from Latin inviolabilis "inviolable, invulnerable," from in- "not, opposite of" (see in- (1)) + violabilis, from violare "to do violence to" (see violation). Related: Inviolably.

Online Etymology Dictionary, © 2010 Douglas Harper