adj fatally vulnerable; vital.
2. mortal ·adj of or pertaining to the time of death.
3. mortal ·adj affecting as if with power to kill; deathly.
4. mortal ·noun a being subject to death; a human being; man.
5. mortal ·adj subject to death; destined to die; as, man is mortal.
6. mortal ·adj very painful or tedious; wearisome; as, a sermon lasting two mortal hours.
7. mortal ·adj human; belonging to man, who is mortal; as, mortal wit or knowledge; mortal power.
8. mortal ·adj destructive to life; causing or occasioning death; terminating life; exposing to or deserving death; deadly; as, a mortal wound; a mortal sin.