Unchangeability
The Century Dictionary and Cyclopedia
noun.
The state or character of being unchangeable.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The property of being
unchangeable
noun.
The extent to which something is unchangeable
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the quality of being unchangeable; having a marked tendency to remain unchanged