1. (n.) The condition or quality of being mortal; subjection to death or to the necessity of dying.

2. (n.) Human life; the life of a mortal being.

3. (n.) Those who are, or that which is, mortal; the human race; humanity; human nature.

4. (n.) Death; destruction.

5. (n.) 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.