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unalterable

[uhn-awl-ter-uh-buh l] /ʌnˈɔl tər ə bəl/
adjective
1.
not capable of being altered, changed, or modified.
Also, inalterable.
Origin
1610-1615
1610-15; un-1 + alterable
Related forms
unalterableness, unalterability, noun
unalterably, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unalterability

unalterable

/ʌnˈɔːltərəbəl; -ˈɔːltrəbəl/
adjective
1.
(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 unalterability

unalterable

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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