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unalterable

[uhn-awl-ter-uh-buh l]
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adjective
  1. not capable of being altered, changed, or modified.
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Origin of unalterable

First recorded in 1610–15; un-1 + alterable
Related formsun·al·ter·a·ble·ness, un·al·ter·a·bil·i·ty, nounun·al·ter·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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


British Dictionary definitions for unalterable

unalterable

adjective
  1. (of a condition, truth, etc) unable to be changed or altered
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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

Word Origin and History for unalterable

adj.

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

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Online Etymology Dictionary, © 2010 Douglas Harper