irreversible

Impossible to reverse.

Not reversible; incapable of being reversed or inverted.

Not to be recalled or annulled.

Incapable of being reversed or turned about or back; incapable of being made to run backward.

Incapable of being reversed, recalled, repealed, or annulled.

Incapable of being reversed or turned about or back; incapable of being made to run backward.

Incapable of being reversed, recalled, repealed, or annulled.

Incapable of being reversed to the original state without consumption of free energy and increase of entropy.

incapable of being reversed