The quality of being unchangeable; having a marked tendency to remain unchanged.

synonyms: changelessness, unchangeableness, unchangingness.

Roget 150: stability; immutability etc. adj.; unchangeability, etc. adj.; unchangeableness^†; constancy; stable equilibrium, immobility, soundness, vitality, stabiliment^†, stiffness, ankylosis^†, solidity, aplomb.    establishment, fixture; rock, pillar, tower, foundation, leopard's spots, Ethiopia's skin.    permanence etc. 141; obstinacy etc. 606.    ... show more