/ Dictionary / Index M mortality: Meaning and Definition of Find definitions for: mor•tal•i•ty Pronunciation: (môr-tal'i-tē), [key] — pl. -ties. the state or condition of being subject to death; mortal character, nature, or existence. the relative frequency of deaths in a specific population; death rate. mortal beings collectively; humanity. death or destruction on a large scale, as from war, plague, or famine. death. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mortality (Thesaurus) mortal mortality table Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language