Dictionary.com
Thesaurus.com

megacorporation

American  
[meg-uh-kawr-puh-rey-shuhn] / ˈmɛg əˌkɔr pəˌreɪ ʃən /

noun

  1. a giant company formed from two or more large companies or a number of companies of various sizes.

Etymology

Origin of megacorporation

mega- + corporation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Many Musk fans, however, hope that the SpaceX IPO is just one step on the path to a Musk megacorporation with SpaceX, xAI, and Tesla combined.

From Barron's • Feb. 10, 2026

There are no human characters in “Badlands,” only expendable mechanical representatives of a megacorporation bent on bringing the known universe to heel.

From Salon • Nov. 12, 2025

Speaking from his Oakland home, Riley explained why he’s not planning to compromise, no matter which megacorporation is bankrolling his project.

From Los Angeles Times • Jun. 18, 2024

No offense to Tappahannock-Essex County Airport, but is there perhaps a larger global megacorporation that stands out as having a little more sway within the coalition?

From Slate • Jun. 22, 2023

I recommend checking your friendly Seattle-based online megacorporation.

From Seattle Times • Jul. 28, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.