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[uhn-awl-ter-uh-buh l] /ʌnˈɔl tər ə bəl/
not capable of being altered, changed, or modified.
Also, inalterable.
Origin of unalterable
1610-15; un-1 + alterable
Related forms
unalterableness, unalterability, noun
unalterably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for unalterable
Contemporary Examples
Historical Examples
  • She had loved this unalterable good-temper of his, and admired the tactful way he had of humouring women.

    Double Harness Anthony Hope
  • But he continued to shake his head with an air of unalterable resolution.

    L'Assommoir Emile Zola
  • They are turned from their historical meaning and presented as unalterable and sacred things-in-themselves.

  • He knew the plans of God, and had formed an unalterable opinion about all his neighbors.

    'Charge It' Irving Bacheller
  • It made it easier to talk of the future she had arranged, which now was an unalterable thing.

    Chance Joseph Conrad
  • The spiritual healer rose, his face set with an unalterable purpose.

    Possessed Cleveland Moffett
  • He felt one clear, unalterable conviction—under God, it should not be for long.

    Beth Norvell Randall Parrish
  • We do better if we make our gift of blood as a matter of unalterable necessity.

  • For what modest person would venture to maintain his own experience to be altogether and absolutely firm and unalterable?

British Dictionary definitions for unalterable


/ʌnˈɔːltərəbəl; -ˈɔːltrəbəl/
(of a condition, truth, etc) unable to be changed or altered
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
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Word Origin and History for unalterable

1610s, from un- (1) + alterable. Related: Unalterably.

Online Etymology Dictionary, © 2010 Douglas Harper
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