- 1[uncountable] the state of being human and not living for ever After her mother's death, she became acutely aware of her own mortality.
- 2[uncountable] the number of deaths in a particular situation or period of time the infant mortality rate (= the number of babies that die at or just after birth) Mortality from lung cancer is still increasing.
- 3[countable] (technology) a death hospital mortalities (= deaths in hospital)
Check pronunciation: mortality