Definition of mortality in English:

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Pronunciation: /môrˈtalədē/

noun (plural mortalities)

1The state of being subject to death: the work is increasingly haunted by thoughts of mortality
More example sentences
  • When Hamlet banters with the gravediggers, he becomes a clown himself, even if the subject matter is mortality.
  • Why is it that we humans are subject to mortality?
  • Their lives will be complicated by issues of timing, courage and mortality.
2Death, especially on a large scale: the causes of mortality among infants and young children
More example sentences
  • Cervical cancer is the second leading cause of cancer mortality among women worldwide.
  • The most dramatic and perhaps most significant cause of natural mortality among gray whales is predation by killer whales.
  • Maternal deaths have been shown to account for a substantial burden of mortality among refugee women of reproductive age.
death, loss of life, dying
2.1 (also mortality rate) The number of deaths in a given area or period, or from a particular cause: postoperative mortality was 90 percent for some operations
More example sentences
  • If it could be proved that such centres would reduce the cancer mortality rate, few could argue against their introduction.
  • But the hospital's mortality rate is 113, which puts it just above the average band.
  • The mortality rate in his maternity wards eventually dropped to less than one percent.


Late Middle English: via Old French from Latin mortalitas, from mortalis (see mortal).

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