1. (noun)mortality the quality or state of being mortal Synonyms: deathrate, mortality rate, death rate, fatality rate Antonyms: immortality
2. (noun)deathrate, death rate, mortality, mortality rate, fatality rate the ratio of deaths in an area to the population of that area; expressed per 1000 per year Synonyms: mortality, deathrate, mortality rate, death rate, fatality rate Antonyms: immortality