noun death; destruction.
2. mortality ·noun human life; the life of a mortal being.
3. mortality ·noun those who are, or that which is, mortal; the human cace; humanity; human nature.
4. mortality ·noun the condition or quality of being mortal; subjection to death or to the necessity of dying.
5. mortality ·noun the whole sum or number of deaths in a given time or a given community; also, the proportion of deaths to population, or to a specific number of the population; death rate; as, a time of great, or low, mortality; the mortality among the settlers was alarming.