a. unable to be changed without exception; not mutable
All things change over time; nothing is immutable.
Sentence in Classic:
On returning to France, to the bosom of the great, strong, magnificent, peaceful, and glorious fatherland, I should have proclaimed her frontiers immutable; all future wars purely defensive, all aggrandizement antinational.
War and Peace(V4) By Leo Tolstoy Context
When I thought of the heavy rains and looked at the gaping roof I understood how strong and immutable must be the purpose which had kept him in that inhospitable abode.
The Hound of the Baskervilles By A. Conan Doyle Context
To be accused was to be convicted, and to be convicted was to be punished; the one always following the other with immutable certainty.
The Narrative of the Life By Frederick Douglass Context
Still, for all this immutableness, was there some lack of common consistency about worthy Captain Peleg.
Moby Dick By Herman Melville Context