不是形容词。
fever，英语单词，主要用作名词、及物动词、不及物动词，作名词时意为“发烧，发热；狂热”，作及物动词时意为“使发烧；使狂热；使患热病”，作不及物动词时意为“发烧；狂热；患热病”。
fever 一般作名词，它的形容词是 feverish
fever作名词 所以 a medical condition in which a person has a temperature that is higher than normal. 发烧
例句 Aspirin should help reduce the fever. 阿司匹林能够退烧。
feverish 作形容词释义 showing strong feeling of excitement or worry, often with a lot of activity or quick movements. 激动的；焦虑不安的
例子 The whole place was a scene of feverish activity. 整个地方都是一片紧张匆忙的景象。
是的，表示狂热的，热烈的。
