noun
1. the quality of not being alterable
• Ant: ↑alterability
• Derivationally related forms: ↑unalterable
• Hypernyms: ↑immutability, ↑immutableness, ↑fixity
• Hyponyms: ↑incurability
2. the quality of being fixed and unchangeable
-
the fixedness of his gaze upset her
• Syn: ↑fixedness
• Derivationally related forms: ↑unalterable, ↑fixed (for: ↑fixedness)
• Hypernyms: ↑changelessness, ↑unchangeability, ↑unchangeableness, ↑unchangingness
Useful english dictionary. 2012.