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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
First recorded in 1610-15; un-1 + alterable
Related forms
unalterableness, unalterability, noun
unalterably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for unalterable
Contemporary Examples
Historical Examples
  • It crushed them with the weight of unending vastness and unalterable decree.

    White Fang Jack London
  • But he continued to shake his head with an air of unalterable resolution.

    L'Assommoir Emile Zola
  • It made it easier to talk of the future she had arranged, which now was an unalterable thing.

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

    'Charge It' Irving Bacheller
  • The spiritual healer rose, his face set with an unalterable purpose.

    Possessed Cleveland Moffett
  • They parted with mutual expressions of unalterable friendship.

    Tales from Shakespeare Charles Lamb and Mary Lamb
  • It is not barbarous merely because the printing is skin-deep and unalterable.

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

  • No, woman was made to love and to be married, that is her unalterable destiny.

    The Young Maiden

    A. B. (Artemas Bowers) Muzzey
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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