Irreversible
Pronunciation : Ir`re*vers"i*ble
Part of Speech : a.
Definition : 1. Incapable of being reversed or turned about or back; incapable of being made to run backward; as, an irreversible engine.
2. Incapable of being reversed, recalled, repealed, or annulled; as, an irreversible sentence or decree. This rejection of the Jews, as it is not universal, so neither is it final and irreversible. Jortin.
Syn. -- Irrevocable; irrepealable; unchangeable.
Source : Webster's Unabridged Dictionary, 1913