pyrexia

py·rex·i·a
P3Y4R1E1X8I1A1
UK/pʌɪˈrɛk.si.ə/UK/pɪˈrɛk.si.ə/US/paɪˈrɛk.si.ə/

noun

Fever.

RareFirst used 18th c.Scrabble 19

Meanings

nounpyrexia (countable and uncountable, plural pyrexias or pyrexiae)

plural pyrexias · plural pyrexiae

  1. countableuncountablemedicineFever.First known use 18th c.

    The least defined pyrexiae were the continued fevers, divided mainly into typhus, enteric (typhoid) and relapsing.

    1997, Roy Porter, The Greatest Benefit to Mankind, Folio Society, published 2016, page 253
  2. countableuncountablemedicineTrench fever.

Synonyms & antonyms

nouna rise in the temperature of the body; frequently a symptom of infection

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekπυρεξία“feverishness”
  2. Latinpyrexia
  3. Englishpyrexia

From post-classical Latin pyrexia, from Ancient Greek πυρεξία (purexía, “feverishness”), from πυρετός (puretós, “fever”).

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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