immutable

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English

Etymology

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

Pronunciation

Adjective

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

Derived terms

Translations

Noun

immutable (plural immutables)

  1. Something that cannot be changed.

Anagrams

French

Etymology

Learned borrowing from Latin immūtābilis. Compare immuable.

Pronunciation

Adjective

immutable (plural immutables)

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

Further reading

Middle English

Alternative forms

Etymology

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

Pronunciation

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

Adjective

immutable (Late Middle English)

  1. immutable, unchangeable

Descendants

  • English: immutable

References