- (of a disease) affecting many persons at the same time, and spreading from person to person in a locality where the disease is not permanently prevalent.
- extremely prevalent; widespread.
- a temporary prevalence of a disease.
- a rapid spread or increase in the occurrence of something: an epidemic of riots.
- (esp of a disease) attacking or affecting many persons simultaneously in a community or area
- a widespread occurrence of a disease
- a rapid development, spread, or growth of something, esp something unpleasant
