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

1 sense of hyperpyrexia

Sense 1
hyperpyrexia -- (extremely high fever (especially in children))
       => hyperthermia, hyperthermy -- (abnormally high body temperature; sometimes induced (as in treating some forms of cancer))
       => fever, febrility, febricity, pyrexia, feverishness -- (a rise in the temperature of the body; frequently a symptom of infection)