Breadcrumb Home > Dictionary > Index M morbidity: Meaning and Definition of Find definitions for: mor•bid•i•ty Pronunciation: (môr-bid'i-tē), [key] — n. a morbid state or quality. the proportion of sickness or of a specific disease in a geographical locality. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: morbidity (Thesaurus) morbidezza morbific ✖ Related Content Daily Word Quiz: antebellum Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language