\ ˈme-gə How to pronounce mega (audio) \

Definition of mega

 (Entry 1 of 2)

1 : vast a mega electronics store
2 : of the highest level of rank, excellence, or importance a number one hit made her mega
variants: or meg-

Definition of mega- (Entry 2 of 2)

1a : great : large megaspore
b : greatly surpassing others of its kind megahit
2 : million (106) megohm megacycle

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Examples of mega in a Sentence

Adjective an actor who has become a mega celebrity I will never understand why people build those mega houses on tiny lots.
Recent Examples on the Web: Adjective Jakarta is a huge, super mega city—like super packed and intense. Lisa Kocay, Forbes, 10 Sep. 2021 Warhammer game can play on a mega map that combines both games for a truly epic campaign. Simon Hill, Wired, 9 Sep. 2021 Another mega land sale has been completed in Denton County just west of Celina. Steve Brown, Dallas News, 7 Sep. 2021 The best college football stories do not involve five-star mega prospects, sorting through offer letters from Alabama, Clemson or Ohio State. San Diego Union-Tribune, 2 Sep. 2021 Assuming 2022 is not mega drama, new Roadster should ship in 2023. Demetrius Simms, Robb Report, 2 Sep. 2021 That’s when all the mega parties and completely over-the-top outrageousness had gone on. Andy Greene, Rolling Stone, 1 Sep. 2021 Hero Cosmetics has since expanded to cleansers, toners, and serums—all available at mega retailers like Target and Ulta (and Amazon, of course). Talia Abbas, Glamour, 27 Aug. 2021 Fuse Moss and Lopez’s favorites into one mega hybrid bag to take you into the new season and beyond. Alice Newbold, Vogue, 25 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mega.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mega


1968, in the meaning defined at sense 1

History and Etymology for mega



Combining form

Greek, from megas large — more at much

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Dictionary Entries Near mega




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Statistics for mega

Last Updated

17 Sep 2021

Cite this Entry

“Mega.” Dictionary, Merriam-Webster, Accessed 21 Sep. 2021.

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English Language Learners Definition of mega

 (Entry 1 of 2)

: very large : vast
: very popular, successful, or important


combining form

English Language Learners Definition of mega- (Entry 2 of 2)

: great : large
: extremely
: million : multiplied by one million

More from Merriam-Webster on mega

Britannica English: Translation of mega for Arabic Speakers


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