Fever
Fever noun - An abnormal state that disrupts a plant's or animal's normal bodily functioning.
Usage example: before the days of modern medicine, when death remained a mystery, people said that someone died of a fever and left it at that
Sickness and fever are semantically related. In some cases you can use "Sickness" instead a noun "Fever".
Mutual synonyms
How words are described
Both words in one sentence
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In Yellow Fever, Dean contracts a ghost sickness that makes him terrified of everything and decides to stop hunting life.
Source: 10-Minute Retirement - Ray Bradbury's "Fever Dream" is the story of a little boy who discovers that every cell in his body is slowly being replaced by... something, but nobody believes him because they think he's just delirious with sickness.
Source: Body Horror / Literature -
Another poem, Nach der Krankheit ("After Sickness", 1777) describes how during a bad fever Death comes to Asmus (Claudius' alter ego) and with a friendly smile offers to take him into his arm.
Source: Don't Fear the Reaper
Cite this Source
Sickness and Fever. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fever/sickness
Fever & Sickness. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fever/sickness>.
Sickness or Fever. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fever/sickness.
Google Ngram Viewer shows how "fever" and "sickness" have occurred on timeline