Antonyms of noun alterability

1 sense of alterability

Sense 1
alterability -- (the quality of being alterable)
       Antonym of unalterability (Sense 1)
      => unalterability -- (the quality of not being alterable)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun alterability

1 sense of alterability

Sense 1
alterability -- (the quality of being alterable)
       => mutability, mutableness -- (the quality of being capable of mutation)