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Recorded since 1656; from morbid, from Latin morbidus (diseased), from morbus (disease), from the root of mori (to die) or from a Proto-Indo-European base mor "to rub, pound, wear away".


morbidity (countable and uncountable, plural morbidities)

  1. The quality of being unhealthful or diseased, sometimes including the cause.
  2. The quality of being morbid; an attitude or state of mind marked by gloom.
    • 1986, John le Carré, A Perfect Spy:
      He taught him how to be superior to human foibles and how to give a godlike laugh at himself as a way of fending off morbidity. He did all the things for him that a woman is grateful for, except that Magnus is a man.
  3. (medicine) The incidence of a disease, as a rate of a population which is affected.
  4. (medicine, countable) An occurrence of illness or disease, or a single symptom of that illness.
  5. (medicine, countable) Adverse effects caused by a medical treatment such as surgery.
  6. (demography, insurance) The sickness rate of a population.


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The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.

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