Immutable, a

[Fr., from Lat. immutabilis, from im- = in- = not, and mutabilis = changeable; muto =to change; Ital. immutabile; Sp. in mutable.] Unchangeable, unchanging, invariable, unalter able; not capable or susceptible of change. "Immutable, Immortal, Infinite, Eternal King." Milton: P. L. , iii. 373.