Definition of mortal

• a. - Subject to death; destined to die; as, man is mortal.
• a. - Destructive to life; causing or occasioning death; terminating life; exposing to or deserving death; deadly; as, a mortal wound; a mortal sin.
• a. - Fatally vulnerable; vital.
• a. - Of or pertaining to the time of death.
• a. - Affecting as if with power to kill; deathly.
• a. - Human; belonging to man, who is mortal; as, mortal wit or knowledge; mortal power.
• a. - Very painful or tedious; wearisome; as, a sermon lasting two mortal hours.
• n. - A being subject to death; a human being; man.