Synonyms

unalterable

American

[uhn-awl-ter-uh-buhl] / ʌnˈɔl tər ə bəl /

adjective

not capable of being altered, changed, or modified.

unalterable British

/ ʌnˈɔːltərəbəl, -ˈɔːltrəbəl /

adjective

(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

Other Word Forms

unalterability noun
unalterableness noun
unalterably adverb

Etymology

Origin of unalterable

First recorded in 1610–15; un- ¹ + alterable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And it seems there is no such plan; given the logistical problems, as well as the unalterable geography, any such plan could well be impossible.

From Slate • Apr. 8, 2024

Blanca Alfaro, the head of the Guatemalan electoral commission, responded by calling the result "unalterable" and insisted Mr Arévalo would be sworn in next month as planned.

From BBC • Dec. 8, 2023

Cryptocurrency is a type of digital money secured via encryption in a publicly viewable and purportedly unalterable way.

From Seattle Times • Sep. 15, 2022

But conversion to real money is also the point at which the “transparency” provided by the public, unalterable recording of transactions on the blockchain — supposedly the big benefit of cryptography — vanishes.

From Washington Post • Mar. 14, 2022

Therefore, enviously, gloatingly, he exacts vengeance upon us for the unalterable deficiencies in his own life.

From "Newjack: Guarding Sing Sing" by Ted Conover

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023