Try Our Apps


Supposedly vs. Supposably


[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.
Cite This Source
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
Cite This Source
Word Origin and History for unalterable

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

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for unalterable

Some English speakers likely know this word

Word Value for unalterable

Scrabble Words With Friends

Nearby words for unalterable