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Related to unalterability: inalterability
Impossible to alter: the unalterable season of bitter cold in Siberia.
un·al′ter·a·bil′i·ty, un·al′ter·a·ble·ness n.
the state or quality of not being alterable or not being able to be changed
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|Noun||1.||unalterability - the quality of not being alterable |
immutability, immutableness, fixity - the quality of being incapable of mutation; "Darwin challenged the fixity of species"
incurability - incapability of being altered in disposition or habits; "the incurability of his optimism"
alterability - the quality of being alterable
|2.||unalterability - the quality of being fixed and unchangeable; "the fixedness of his gaze upset her"|