Standard Lemma guide

immutability

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

The state or quality of being immutable; immutableness.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The state of being unchangeable in the memory after creation.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

the quality of being incapable of mutation

Definition source: Princeton WordNet 3.0

Examples

  • Darwin challenged the fixity of species

Meaning relationships

Synonyms: immutableness, fixity

Antonyms: mutability

Broader terms: changelessness, unchangeability, unchangeableness, unchangingness

Narrower terms: unalterability, agelessness

History

Etymology

Borrowed from Middle French immutabilité, itself borrowed from Latin immūtābilitās. By surface analysis, immutable + -ity.

Across languages

Translations

12 source translations are retained for this English entry.

  • Bulgarian: неизменност (neizmennost) — The state or quality of being immutable
  • Catalan: immutabilitat — The state or quality of being immutable
  • Dutch: onveranderlijkheid — The state or quality of being immutable
  • Finnish: muuttumattomuus — The state or quality of being immutable
  • French: immuabilité — The state or quality of being immutable
  • Galician: inmutabilidade — The state or quality of being immutable
  • German: Unveränderlichkeit — The state or quality of being immutable
  • Italian: immutabilità — The state or quality of being immutable
  • Latin: immūtābilitās — The state or quality of being immutable
  • Polish: niezmienność — The state or quality of being immutable
  • Portuguese: imutabilidade — The state or quality of being immutable
  • Russian: неизме́нность (neizménnostʹ) — The state or quality of being immutable