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Synonyms

inviolable

American  
[in-vahy-uh-luh-buhl] / ɪnˈvaɪ ə lə bəl /

adjective

  1. prohibiting violation; secure from destruction, violence, infringement, or desecration.

    an inviolable sanctuary;

    an inviolable promise.

  2. incapable of being violated; impregnable; unassailable.

    inviolable secrecy.


inviolable British  
/ ɪnˈvaɪələbəl /

adjective

  1. that must not or cannot be transgressed, dishonoured, or broken; to be kept sacred

    an inviolable oath

"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

Other Word Forms

  • inviolability noun
  • inviolably adverb

Etymology

Origin of inviolable

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Under the 1963 Vienna Convention on Consular Relations, consular premises are considered "inviolable".

From BBC • Jan. 28, 2026

The “international community” treats that project as inviolable, inevitable, untouchable.

From The Wall Street Journal • Jan. 7, 2026

Charter of 1945, guaranteeing all nations the right to independence and inviolable sovereignty.

From Salon • Mar. 7, 2025

With that selflessness at the core of public service, he wrote: “I have thence enjoyed of manifesting my inviolable attachment by services faithful and persevering, though in usefulness unequal to my zeal.”

From Slate • Jul. 22, 2024

“The creator has given us certain inviolable rights: the right to life, the right to be free, and the right to achieve happiness.”

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin