unalterability

un·al·ter·a·ble

U0021600 (ŭn-ôl′tər-ə-bəl)adj. 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.un·al′ter·a·bly adv.

(ʌnˌɔːltərəˈbɪlitɪ) or

nthe state or quality of not being alterable or not being able to be changed

Thesaurus

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"fixednessunchangeability, unchangeableness, unchangingness, changelessness - the quality of being unchangeable; having a marked tendency to remain unchanged

unalterability

Related to unalterability: inalterability