Immutable may describe something that is incapable of change, but the word itself—like all words—is mutable, both capable of and prone to alteration.

(Definition of immutable from the Cambridge Academic Content Dictionary © Cambridge University Press)

IMMUTABLE definition: not mutable; unchangeable; changeless. See examples of immutable used in a sentence.

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Definition of immutable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Define immutable. immutable synonyms, immutable pronunciation, immutable translation, English dictionary definition of immutable. adj. Not subject or susceptible to change. im·mu′ta·bil′i·ty , …

Discover everything about the word "IMMUTABLE" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

Jan 20, 2026 · (programming, of a variable) Not able to be altered in the memory after its value is set initially. Constants are immutable.

"unchanging, unalterable," from Old French immutable (Modern French immuable), and… See origin and meaning of immutable.

immutable meaning, definition, what is immutable: never changing or impossible to change: Learn more.