1. That cannot be altered: an inCommutable death sentence

2. How to use inCommutable in a sentence.

3. InCommutable definition is - not Commutable: such as

4. Not able to be exchanged one for another: a rare, inCommutable skill

5. Alterable definition: (of the punishment ordered by a court) capable of being changed to one less severe synonyms: commutable antonyms: incommutable, unexchangeable

6. Commutable: 1 adj subject to alteration or change “the death sentence was Commutable to life imprisonment” Synonyms: alterable (of the punishment ordered by a court) capable of being changed to one less severe convertible , transformable , translatable , transmutable capable of being changed in substance as if by alchemy Antonyms: inCommutable