The quality of being unhealthful or diseased, sometimes including the cause. / The quality of being morbid; an attitude or state of mind marked by gloom.

comparative form of morbid: more morbid

(originally) Of, or relating to disease. / (by extension) Taking an interest in unhealthy or unwholesome subjects such as death, decay, disease. / Suggesting the horror of death; macabre or ghoulish.

plural of morbidity

The property of being morbid.

plural of morbidness

Alternative form of comorbidity

(pathology) The condition of being morbidly obese.

plural of co-morbidity; Alternative form of comorbidities