hyperpyrexia

H4Y4P3E1R1P3Y4R1E1X8I1A1

noun

An excessive and unusual elevation of set body temperature greater than or equal to 41°C (105.8°F), or extremely high fever.

OriginEnglish pyrexia ← Ancient Greek ῠ̔περ- (hŭper-) ← Proto-Hellenic *hupér →
Scrabble 32
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Meanings

nounhyperpyrexia (countable and uncountable, plural hyperpyrexias)

plural hyperpyrexias

  1. countableuncountablemedicineAn excessive and unusual elevation of set body temperature greater than or equal to 41°C (105.8°F), or extremely high fever.

Origin

  1. Proto-Indo-European*úp
  2. Proto-Indo-European*upér
  3. Proto-Hellenic*hupér
  4. Ancient Greekῠ̔πέρ (hŭpér)
  5. Ancient Greekῠ̔περ- (hŭper-)
  6. Englishhyper-
  7. Englishpyrexia
  8. Englishhyperpyrexia

From hyper- + pyrexia.

Full word history & related roots →

Translations

Finnish hyperpyreksia
  • hyperpyreksiaTranslations
German Hyperpyrexie
  • HyperpyrexieTranslations
Romanian hiperpirexie
  • hiperpirexieTranslations
Turkish hiperpireksi
  • hiperpireksiTranslations
Cite this entry
APA

hyperpyrexia. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/hyperpyrexia

MLA

“hyperpyrexia.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hyperpyrexia. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “hyperpyrexia,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/hyperpyrexia.

Source: hyperpyrexia on Wiktionary, CC BY-SA 4.0.