megaflood

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noun

A sudden discharge of an exceptionally large volume of water

OriginEnglish flood ← Ancient Greek μέγᾰς (mégăs) ← Proto-Hellenic *mégas →
Scrabble 16
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Meanings

nounmegaflood (plural megafloods)

plural megafloods

  1. geographyA sudden discharge of an exceptionally large volume of water

Origin

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Englishflood
  6. Englishmegaflood

From mega- + flood.

Full word history & related roots →
Cite this entry
APA

megaflood. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/megaflood

MLA

“megaflood.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megaflood. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “megaflood,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/megaflood.

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