morbidity

definition: the quality of being unhealthful and generally bad for you
example:
speech part: noun
synonyms: unwholesomeness
definition: an abnormally gloomy or unhealthy state of mind
example: Their fear of being alone verges on morbidity.
speech part: noun
synonyms: morbidness
definition: the relative incidence of a particular disease
example:
speech part: noun
synonyms:

How morbidity is being used?