from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Impossible to alter.

from The Century Dictionary.

  • Not alterable; unchangeable; immutable.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective incapable of changing or being altered
  • adjective irrevocable or irreversible

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective of a sentence; that cannot be changed
  • adjective not capable of being changed or altered
  • adjective remaining the same for indefinitely long times


from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ alterable


  • No one form of Church polity as permanently unalterable is laid down in the New Testament though the apostolical order of bishops, or presbyters, and deacons, superintended by higher overseers (called bishops after the apostolic times), has the highest sanction of primitive usage.

    Commentary Critical and Explanatory on the Whole Bible

  • You will say, however, that facts remain unalterable; and that in some unlucky instance, in the changes and chances of human affairs, you may be proved to have been to blame.

    Letters for Literary Ladies: To Which is Added, An Essay on the Noble Science of Self-Justification

  • Hitherto most philosophy, the illegitimate heir of religion, had been a consolation and an apology for the constraints and limits of human existence which were represented as necessary; it had therefore been a prop supporting the existing social order, just because its definitions of freedom had been abstract and had claimed some kind of unalterable necessity.

    Sartre's Cage

  • Being sent for education to any Popish school or college abroad, upon conviction, incurs (if the party sent has any estate of inheritance) a kind of unalterable and perpetual outlawry.

    The Works of the Right Honourable Edmund Burke, Vol. 06 (of 12)

  • Constitution makes clear that the court may only inspect such articles according to their form and not their content, while others say the court has the authority to intervene if an article contradicts the Constitution's first three "unalterable" articles.

    Hurriyet Dailynews

  • What is commonplace in this second sense of the term is people's ability to assign violently competing values to the same object, whether that object be gold, free silver, friendship, or an "unalterable" sense of reality.

    Mises Institute Daily Articles (Full-text version)

  • _ "unalterable" _ regulations were unnecessary where, as in a republic, all power was vested in the people.

    The Development of Religious Liberty in Connecticut

  • "unalterable" Seven Commandments into Napoleon's own laws.

    George Orwell and the Politics of Animal Farm

  • It crushed them with the weight of unending vastness and unalterable decree.

    The Trail of Meat

  • We are all bornwith a serious and unalterable defect: We grow old — at least the lucky among us do — and then we die.

    Nobody Gets Out of Here Alive


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