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Added 10 October 2026

immutability

noun

In Latin: immūtābilitās Wiktionary

noun Definition from WordNet 3.1, Princeton University. More about immutability at Wordnik → Where our words come from →

The quality of being incapable of mutation.
Darwin challenged the fixity of species

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)

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