Antonyms of adj transmutable

1 sense of transmutable

Sense 1
convertible, transformable, translatable, transmutable -- (capable of being changed in substance as if by alchemy; "is lead really transmutable into gold?"; "ideas translatable into reality")

INDIRECT (VIA commutable) -> incommutable -- (not subject to alteration or change)

Similarity of adj transmutable

1 sense of transmutable

Sense 1
convertible, transformable, translatable, transmutable -- (capable of being changed in substance as if by alchemy; "is lead really transmutable into gold?"; "ideas translatable into reality")
       => commutable (vs. incommutable) -- (subject to alteration or change; "the death sentence was commutable to life imprisonment")