immutable

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English

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Etymology

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From Middle English immutable, from Latin immūtābilis (unchangeable); im- +‎ mutable.

Pronunciation

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Adjective

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immutable (not comparable)

  1. Unable to be changed without exception.
    Synonyms: unchangeable; see also Thesaurus:immutable
    The government has enacted an immutable law.
    • 1834, L[etitia] E[lizabeth] L[andon], chapter XIV, in Francesca Carrara. [], volume II, London: Richard Bentley, [], (successor to Henry Colburn), →OCLC, page 171:
      Mutable as is our nature, it delights in the immutable: and we expect as much constancy as if all time, to say nothing of our own changeableness, had not shewn that ever "the fashion of this world passeth away."
    • 2019, Peter Kent, Tyler Bain, Cryptocurrency Mining For Dummies, John Wiley & Sons, →ISBN, page 30:
      In the trustless cryptocurrency world, you can still trust the cryptocurrency community and its mechanisms to ensure that the blockchain contains an accurate and immutable—unchangeable—record of cryptocurrency transactions.
  2. (programming, of a variable) Not able to be altered in the memory after its value is set initially.
    Constants are immutable.

Antonyms

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Derived terms

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Translations

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Noun

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immutable (plural immutables)

  1. Something that cannot be changed.

Anagrams

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French

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Etymology

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Learned borrowing from Latin immūtābilis. Compare immuable.

Pronunciation

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Adjective

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immutable (plural immutables)

  1. (rare) immutable
    Synonym: immuable
  2. (programming) immutable

Further reading

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Middle English

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Alternative forms

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Etymology

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Borrowed from Latin immutabilis; equivalent to in- +‎ mutable.

Pronunciation

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  • IPA(key): /i(n)ˌmiu̯ˈtaːbəl/, /i(n)ˌmiu̯ˈtaːblə/

Adjective

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immutable (Late Middle English)

  1. immutable, unchangeable

Descendants

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  • English: immutable

References

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