Incapable of suffering injury or detriment.
Unable to feel emotion; impassive.
Unable to suffer, or feel pain.
Ordinary with nothing to distinguish it from all the others.
According to established procedure.
Regular; habitual.
A course of action to be followed regularly; a standard procedure.
A set piece of an entertainer's act.
A set of normal procedures, often performed mechanically.
A set of instructions designed to perform a specific task; a subroutine.