:the quality or state of being morbid;
:an attitude, quality, or state of mind marked by excessive gloom
- … there must have been some strange morbidity in his nature which made him take a grim pleasure in self-torture.
- —Somerset Maugham
:a diseased state or symptom :ill health
:a complication or undesirable side effect following surgery or medical treatment
- Parasitic protozoans and helminths represent two major groups of infectious agents that are responsible for considerable morbidity and mortality in human and animal populations.
- —Adel A. F. Mahmoud
- Because laryngectomy results in substantial functional morbidity, including the loss of the natural voice … alternative forms of treatment have been developed.
- —The New England Journal of Medicine
:the incidence of disease :the rate of illness (as in a specified population or group)
:the incidence of complications or undesirable side effects following surgery or medical treatment
- Because the young lack immune capability, the morbidity of viral upper respiratory diseases often reaches 100 percent of kittens in a litter or household.
- —Margaret Reister
- … radical prostatectomy in this setting … is associated with a very high morbidity.
- —Phillip W. Kantoff