Adjective: unalterable ,ún'ol-tu-ru-bul
- Not capable of being changed or altered
"an unalterable ground rule"; "unalterable resolve";
- inalterable
- (law) of a sentence; that cannot be changed
"an unalterable death sentence"
- Remaining the same for indefinitely long times
"Their love seemed unalterable despite the challenges";
- changeless
See also: final, incommutable, incurable, last, unchangeable