hyperemesis

hy·per·em·e·sis
H4Y4P3E1R1E1M3E1S1I1S1
UK/ˌhaɪ.pɚˈɛm.ɪ.sɪs/

noun

Severe and excessive vomiting.

OriginEnglish emesis ← Ancient Greek ῠ̔περ- (hŭper-) ← Proto-Hellenic *hupér →
RareScrabble 21
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Meanings

nounhyperemesis (countable and uncountable, plural hyperemeses)

plural hyperemeses

  1. countableuncountablemedicineSevere and excessive vomiting.

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. Englishemesis
  8. Englishhyperemesis

From hyper- + emesis.

Full word history & related roots →
Cite this entry
APA

hyperemesis. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/hyperemesis

MLA

“hyperemesis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hyperemesis. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “hyperemesis,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/hyperemesis.

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