Synonyms of irreversible

1 Syllable
lost
2 Syllables
doomed, fated, certain, goner, final, settled, constant
3 Syllables
uniform, changeless, permanent, hopeless
4 Syllables
predestined, immutable, invariable, unchangeable, indelible, irremedial, established
5 Syllables
unalterable, inevitable, irremediable, irreplaceable, unrepealable, unreversible, irreparable, irretrievable, irrevocable, predetermined