megamillion

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noun

A great number of millions.

OriginEnglish million ← Middle English milioun ← Ancient Greek μέγᾰς (mégăs) →
Scrabble 16
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Meanings

nounmegamillion (plural megamillions)

plural megamillions

  1. informalA great number of millions.

Origin

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Middle Englishmilioun
  6. Englishmillion
  7. Englishmegamillion

From mega- + million.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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