fever Definition

fever
noun

1. In humans: any rise in body temperature above the normal level (37°C or 98.6°F), usually accompanied by shivering, thirst and headache.

Thesaurus: febricula, pyrexia, delirium, temperature.
2. Any of many diseases which are usually infectious, in which this is a marked symptom, eg scarlet fever, yellow fever.
3. An extreme state of agitation or excitement.

Thesaurus: unrest, turmoil, agitation, frenzy, excitement, passion, fervour, restlessness, intensity, ferment.

verb

fevered, fevering
1. To put into a fever.

Etymology: Anglo-Saxon fefor, from Latin febris.