# megaproject

> English word · Noun

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

## Etymology
From mega- + project.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/megaproject