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Added 9 October 2026

mutable

/ˈmjuːtəbəl/ adjective

In Latin: mūtābilis Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about mutable at Wordnik → Where our words come from →

Capable of or tending to change in form or quality or nature.
a mutable substance
Prone to frequent change; inconstant.
the fickle and mutable nature of truth
Tending to undergo genetic mutuation.
It is likely, too, that the chromosomes of all eubacteria are as mutable as that of E. coli

Origin

From Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able.

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

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