Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fever

2 senses of fever

Sense 1
fever, febrility, febricity, pyrexia, feverishness -- (a rise in the temperature of the body; frequently a symptom of infection)
       => symptom -- ((medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease)

Sense 2
fever -- (intense nervous anticipation; "in a fever of resentment")
       => anticipation, expectancy -- (an expectation)