unchangeable

adjective

un·​change·​able ˌən-ˈchān-jə-bəl How to pronounce unchangeable (audio)
Synonyms of unchangeablenext
: not changing or to be changed : immutable
an unchangeable deadline
The past is unchangeable.
unchangeability noun
unchangeableness noun
unchangeably adverb

Examples of unchangeable in a Sentence

I'm afraid that my opinion on this matter is unchangeable.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Instead, science seeks to turn a condition once viewed as unchangeable into one that can be delayed, softened or partially controlled, so that people live longer, better lives despite carrying the mutation. William A. Haseltine, Forbes.com, 24 Jan. 2026 On his first day back in office, Trump signed an executive order proclaiming that the U.S. recognizes only two unchangeable sexes, male and female. Zach Schonfeld, The Hill, 13 Jan. 2026 Richter’s piece floods in, the strings mounting to something freeing but unchangeable. Fran Hoepfner, Vulture, 26 Nov. 2025 On inauguration day in January, Trump declared through executive order that there are only two sexes, which are determined at conception and are unchangeable. Selena Simmons-Duffin, NPR, 1 Aug. 2025 See All Example Sentences for unchangeable

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of unchangeable was in the 14th century

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Cite this Entry

“Unchangeable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unchangeable. Accessed 2 Feb. 2026.

Kids Definition

unchangeable

adjective
un·​change·​able ˌən-ˈchān-jə-bəl How to pronounce unchangeable (audio)
: not changing or to be changed : immutable
unchangeable facts
unchangeableness noun
unchangeably adverb

More from Merriam-Webster on unchangeable

Last Updated: - Updated example sentences
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