| Noun | 1. | illness - impairment of normal physiological function affecting part or all of an organismague - a fit of shivering amyloidosis - a disorder characterized by deposit of amyloid in organs or tissues; often secondary to chronic rheumatoid arthritis or tuberculosis or multiple myeloma catastrophic illness - severe illness requiring prolonged hospitalization or recovery; usually involves high costs for hospitals and doctors and medicines collapse - an abrupt failure of function or health disease - an impairment of health or a condition of abnormal functioning hypermotility - excessive movement; especially excessive motility of the gastrointestinal tract ozone sickness - illness that can occur to persons exposed to ozone in high-altitude aircraft; characterized by sleepiness and headache and chest pains and itchiness growth - (pathology) an abnormal proliferation of tissue (as in a tumor) health, wellness - a healthy state of wellbeing free from disease; "physicians should be held responsible for the health of their patients" | |