Definition of incommutable in English:

incommutable

adjective

  • Not capable of being changed or exchanged.

    • ‘He has always known God's judgment to be immutable, incommutable.’
    • ‘As schizophrenics build their own universes, they do prefer an incommutable outside universe to build on.’
    unalterable, immutable, invariable, unvarying, invariant, changeless, firm, fixed, hard and fast, cast-iron, set in stone, set, decided, established, permanent, deep-rooted, enduring, abiding, lasting, indestructible, ineradicable, irreversible, unfading, constant, perpetual, eternal, lifelong
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Origin

Late Middle English: from Latin incommutabilis, from in- ‘not’ + commutabilis (see commutable).

Pronunciation

incommutable

/ˌɪnkəˈmjudəb(ə)l//ˌinkəˈmyo͞odəb(ə)l/