Search Dictionary
Definition of mega

mega

/ˈmɛɡ.ə/
me · ga
JUMP TO:

mega Lexical Profile

mega Game Scores & Validity

• adjective

1

Extremely large, great, or extensive in size, scale, or amount.

Example

"The corporation announced a mega merger that reshaped the entire telecommunications industry."

2

British Exceptionally good, impressive, or exciting.

Example

"Their headline performance at the summer music festival was absolutely mega."

Synonyms
View all synonyms for mega
Antonyms
View all antonyms for mega

• adverb

1

To an extremely high degree; very or exceptionally.

Example

"The indie video game became mega popular within just a few days of its release."

Synonyms
View all synonyms for mega
Antonyms
View all antonyms for mega

• Rhymes for mega

• Nearby Words

meeting
meetinghouse
meetup
mega
megabit
megabuck
megabucks

Word Origin & Etymology

Originally derived from the Ancient Greek adjective megas, meaning 'great' or 'large'. It entered English first as a scientific prefix denoting a factor of one million before evolving into an independent informal adjective and adverb in the late 20th century.

Cite this Entry

Wordmom. (2026). Definition of Mega. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mega
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.