English

Noun

unchangeableness ‎(uncountable)

1. The state or quality of being unchangeable; immutability.
   • Bishop Joseph Hall

     […] there are some dispositions blame-worthy in men, which are yet, in a right sense, holily ascribed unto God; as unchangeableness, and irrepentance.

References

• unchangeableness in The Century Dictionary, The Century Co., New York, 1911