Noun has 2 senses

• unalterability(n = noun.attribute) - the quality of not being alterable;


Antonym: alterability
Derived form adjective unalterable₁, adjective unalterable₃

• unalterability(n = noun.attribute) fixedness - the quality of being fixed and unchangeable; "the fixedness of his gaze upset her"

Derived form adjective unalterable₁, adjective unalterable₃