What is Mortal?

Mortal definition and meaning on Dictionary terms:
subject to death; having a transitory life: all mortal creatures.
of or relating to human beings as subject to death; human: this mortal life.
belonging to this world.
deadly or implacable; relentless: a mortal enemy.

severe, dire, grievous, or bitter: in mortal fear.
causing or liable to cause death; fatal: a mortal wound.
to the death: mortal combat.
of or relating to death: the mortal hour.
involving spiritual death (opposed to venial): mortal sin.
long and wearisome.
extreme; very great: in a mortal hurry.
conceivable; possible: of no mortal value to the owners.

a human being.
the condition of being subject to death.