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MMO

American

[em-em-oh] / ˈɛmˌɛmˈoʊ /

MMOG

abbreviation

Digital Technology.

massively multiplayer online game: any online video game in which a player interacts with a large number of other players.

Usage

What is MMO-Champion? MMO-Champion is a popular internet forum where fans of the online game World of Warcraft share tips, news, and previews.

Etymology

Origin of MMO

First recorded in 1990–95

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.

The MMO has asked boaters to go slowly and keep speed below six knots if they spot Reggie.

From BBC • Aug. 21, 2025

Millions of people play "massively multiplayer online" or MMO games, in which they play together in a virtual world.

From Science Daily • Nov. 18, 2024

The popularity for MMO titles that support a large number of players simultaneously surged during the COVID-19 pandemic, and has stayed strong.

From Reuters • May 15, 2023

EVE Online, the long-running sci-fi MMO best-known for its sprawling, expensive space battles will soon get... integration with Microsoft Excel.

From The Verge • May 6, 2022

Gregarious Simulation Systems elevated the MMO concept to an entirely new level.

From "Ready Player One: A Novel" by Ernest Cline

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