unchangeable

adjective

un·​change·​able ˌən-ˈchān-jə-bəl How to pronounce unchangeable (audio)
: not changing or to be changed : immutable
unchangeable documents
unchangeable facts
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.
Nonlinear optical devices must be crafted with a single, unchangeable function determined during fabrication. The Physics Arxiv Blog, Discover Magazine, 31 Mar. 2025 The changes came after President Donald Trump signed an executive order declaring that the U.S. government would only recognize two unchangeable sexes, male and female. Kaitlyn Schwanemann, NBC news, 31 Mar. 2025 How Blockchain Helps Businesses Blockchain technology is essentially a secure digital ledger that creates an unchangeable record of transactions across a network. Mark Drapeau, Forbes, 5 Dec. 2024 It was created as a serious of unchangeable smart contracts that will run perpetually on the Ethereum blockchain. Brady Dale, Axios, 21 Mar. 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 15 Apr. 2025.

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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