Fever is a temporary increase in your body temperature, often due to an illness. Having a fever is a sign that something out of the ordinary is going on in your body.
The term "fever" can also refer to:
1. A state of nervous excitement or agitation
2. A contagious, typically short-lived enthusiasm or craze
3. In metallurgy, a heat treatment process
Common expressions with "fever":
- Gold fever
- Spring fever
- Friday night fever