im·​mu·​ta·​ble | \ (ˌ)i(m)-ˈmyü-tə-bəl How to pronounce immutable (audio) \

Definition of immutable

: not capable of or susceptible to change

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Other Words from immutable

immutability \ (ˌ)i(m)-​ˌmyü-​tə-​ˈbi-​lə-​tē How to pronounce immutable (audio) \ noun
immutableness \ (ˌ)i(m)-​ˈmyü-​tə-​bəl-​nəs How to pronounce immutable (audio) \ noun
immutably \ (ˌ)i(m)-​ˈmyü-​tə-​blē How to pronounce immutable (audio) \ adverb

Did You Know?

Immutable comes to us through Middle English from Latin immutabilis, meaning "unable to change." "Immutabilis" was formed by combining the negative prefix in- with "mutabilis," which comes from the Latin verb mutare and means "to change." Some other English words that can be traced back to "mutare" are "commute" (the earliest sense of which is simply "to change or alter"), "mutate" ("to undergo significant and basic alteration"), "permute" ("to change the order or arrangement of"), and "transmute" ("to change or alter in form, appearance, or nature"). There's also the antonym of "immutable" - "mutable" - which of course can mean "prone to change" and "capable of change or of being changed."

Examples of immutable in a Sentence

the immutable laws of nature one of the immutable laws of television is that low ratings inevitably lead to cancellation
Recent Examples on the Web The technology generates an immutable record of real-world events used to inform, automate and execute transactions. Andrew Bruce, Forbes, "It's Time For Modern Enterprise To Automate Transactions," 9 Apr. 2021 Pandemic or no, Brood X will rise—an immutable imperative of nature, human crisis be damned. Katherine J. Wu, The Atlantic, "Cicadas Know How to End a Multiyear Lockdown," 5 Apr. 2021 But opponents of the PRO Act take employer actions as immutable and impossible to combat. Alex Press, The New Republic, "Why Are Freelancers Organizing Against the PRO Act?," 26 Mar. 2021 Because of the immutable nature of the blockchain ledger and the lack of a centralized authority managing it, every transaction is effectively permanent — even those that are effectively theft. Rishi Iyengar And Jon Sarlin, CNN, "NFTs are suddenly everywhere, but they have some big problems," 30 Mar. 2021 That’s the immutable message of March Madness: Win now or go home. Kevin Sherrington, Dallas News, "As Jaylon Smith, Ezekiel Elliott remain idle, Jerry Jones needs to set a new standard: Status quo won’t do anymore," 21 Mar. 2021 The blockchain's capacity to create unique and immutable digital records, for example, has enabled a burgeoning market for one-of-a-kind collectibles — such as art, music and sports highlights. Star Tribune, "Cryptocurrency is rising. So are the stakes for governments everywhere.," 17 Mar. 2021 In fact, high price smacked of market manipulation: NFTs rely on blockchain, a database technology based on decentralized, collective control of blocks of data that have been chained together in a way that makes the data immutable. Washington Post, "Beeple’s digital ‘artwork’ sold for more than any painting by Titian or Raphael. But as art, it’s a great big zero.," 16 Mar. 2021 Ownership and authenticity are confirmed on blockchain, which provides a public, immutable record, so there is no ability for fraudsters to dupe investors into buying a forgery. Lawrence Wintermeyer, Forbes, "Burned Banksy NFT Sets Art And Crypto Worlds Alight," 3 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'immutable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of immutable

15th century, in the meaning defined above

History and Etymology for immutable

Middle English, from Latin immutabilis, from in- + mutabilis mutable

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Time Traveler for immutable

Time Traveler

The first known use of immutable was in the 15th century

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Last Updated

16 Apr 2021

Cite this Entry

“Immutable.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2021.

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English Language Learners Definition of immutable

formal : unable to be changed

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