megaproject

M3E1G2A1P3R1O1J8E1C3T1

noun

A very large public investment project, especially one costing more than one billion US dollars.

Scrabble 25

Meanings

nounmegaproject (plural megaprojects)

plural megaprojects

  1. A very large public investment project, especially one costing more than one billion US dollars.

    The Government's intention to rephase construction of the megaproject is likely to increase costs in the longer term.

    2023 March 22, Philip Haigh, “AI driving HS2 innovations to improve efficiency”, in RAIL, number 979, page 57, photo caption
    1 more example

    Now the incomplete border wall, already one of the costliest megaprojects in United States history, with an estimated eventual price tag of more than $15 billion, […]

    2021 March 16, Simon Romero, Zolan Kanno-Youngs, “Trump’s Incomplete Border Wall Is in Pieces That Could Linger for Decades”, in The New York Times, →ISSN

Origin

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

From mega- + project.

Full word history & related roots →

Translations

Finnish megaprojekti, jättiprojekti
  • megaprojektivery large public investment project
  • jättiprojektivery large public investment project
Cite this entry
APA

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

MLA

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

Chicago

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

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