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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.

Later Spanish theologians, such as Francisco de Vitoria and Bartolomé de las Casas, used innate reason to defend the inviolable humanity of Native Americans.

From The Wall Street Journal • Oct. 24, 2025

Article 2 of the constitution states that Ukraine's sovereignty "extends throughout its entire territory" which "within its present border is indivisible and inviolable".

From BBC • Apr. 24, 2025

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

Her father was a church deacon and he believed the injunction “till death do you part” to be as inviolable as “Thou shalt not murder.”

From "The Best of Enemies" by Osha Gray Davidson