irreversible

As adjectives the difference between irreversible and irrecoverable

is that irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward while irrecoverable is not recoverable or admitting of recovery; incapable of being recovered: as, an irrecoverable debt.

As adjectives the difference between irreversible and unprecedented

is that irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward while unprecedented is never before seen or done, without precedent.

As adjectives the difference between irresistible and irreversible

is that irresistible is not able to be resisted while irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward.

As adjectives the difference between irreversible and permanent

is that irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward while permanent is without end, eternal.

As a noun permanent is

a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm.

As a verb permanent is

to perm (the hair).

As adjectives the difference between irreparable and irreversible

is that irreparable is incapable of being repaired, amended, cured or rectified while irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward.

Peremptory is a synonym of irreversible.

As adjectives the difference between peremptory and irreversible

is that peremptory is (legal) precluding debate or expostulation; not admitting of question or appeal; positive; absolute; decisive; conclusive; final while irreversible is irreversible.

As adjectives the difference between unreversible and irreversible

is that unreversible is not reversible while irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward.

As adjectives the difference between irreversible and unchangeable

is that irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward while unchangeable is not changeable; incapable of being changed or of changing; immutable.

As a noun unchangeable is

something that cannot be changed.

As adjectives the difference between irreversible and incontrovertible

is that irreversible is incapable of being reversed or turned about or back; incapable of being made to run backward while incontrovertible is not capable of being denied, challenged, or disputed; closed to questioning.

Absolute is a related term of irreversible.

As a noun absolute

is (philosophy) that which is totally unconditioned, unrestricted, pure, perfect, or complete; that which can be thought of without relation to others .

As an adjective irreversible is

irreversible.