From Longman Dictionary of Contemporary Englishfeverfe‧ver /ˈfiːvə $ -ər/ ●●○ noun 1 [countable, uncountable]MI an illness or a medical condition in which you have a very high temperature Andy has a fever and won’t be coming into work today. I woke up this morning with a fever and an upset stomach. She’s running a fever (=has a fever).a high/low/slight fever The usual symptoms are a pink rash with a slight fever. → hay fever, scarlet fever, yellow fever, glandular fever, rheumatic feverRegisterIn everyday English, people usually use fever to talk about a very high temperature. If someone's temperature is just high, they say that someone has a temperature rather than has a fever:He stayed home from school because he had a temperature.2 [singular]EXCITED a situation in which many people feel very excited or feel very strongly about somethingfever of a fever of excitement on Wall Streetelection/carnival etc fever (=great interest or excitement about a particular activity or event) Soccer fever has been sweeping the nation as they prepare for the World Cup.3 → (at) fever pitch → cabin fever
Examples from the Corpus
fever• The depression of last week had lifted like a fever passing when the patient sleeps or asks for food.• Academy Award fever is taking over Hollywood.• Headaches due to viral infections may be accompanied by fever, muscle aches, and malaise.• Football fever has always been widespread in Thailand, but this year perhaps more than ever before.• For a few months after its introduction, lottery fever swept the nation.• It enveloped Sylvie, chilled the dampness of her forehead, calmed the fever which had brought her here.• I downplay the sweats, the shakes, the fever.• By 1742, though the fever had subsided, he was charging Edwards's Northampton following with insanity.a high/low/slight fever• I developed a high fever and was carried into a waiting truck.• Mary, the youngest child, and only girl, of Carlton and Harriet Babbs had a high fever in 1952.• One of them had double pneumonia. he had a high fever and vertigo.• At one point, he had a high fever, a severe rash and intense swelling all over his tiny body.• He felt as if he were running a high fever.• Pétain awoke with a high fever, and a doctor diagnosed double pneumonia.• The illness begins with a high fever, followed by a rash.election/carnival etc fever• Sick and tired of election fever and politics?Origin fever (900-1000) Latin febris 