\ 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


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

And since the Sharks acquired him via trade last September, San Jose has been preparing to offer him such a mega deal. Dieter Kurtenbach, The Mercury News, "Kurtenbach: What Erik Karlsson’s mega contract means for the Sharks," 17 June 2019 Compared to other corporate mega-deals, Amazon’s HQ2 subsidies are far from the worst offenders. Patrick Sisson, Curbed, "Amazon HQ2 subsidies are deeply unpopular, but far from uncommon," 14 Nov. 2018 But long before the numbers show up on cocktail napkins, mega-deals involve a bit of corporate romance. NBC News, "Wine and Wimbledon: The personal touch in courting corporate mergers," 10 July 2018 Her lashes were also a standout: Mayo used mega-long falsies for the most dramatic, flirty effect possible. Kaleigh Fasanella, Allure, "Lizzo Debuted Monochromatic Pink Makeup and a Matching Wig at the 2019 Met Gala," 7 May 2019 Johannes Jenkins, a 50-year-old mega sports fan from Atlantic City, was among those ready to pounce. Ed Barkowitz,, "Phillies' outburst means cash for some sports bettors," 14 June 2018 Steve Moore drove all the way from Chicago to watch the simulcast while his wife and daughter, both Cars mega-fans, attended the ceremony. Nikki Delamotte,, "Fans celebrate the Rock Hall inductions at sold-out simulcast (video)," 14 Apr. 2018 Philip Plisson/Courtesy Compagnie du Ponant Condé Nast Traveler readers rank the best cruise lines in the world, from mega ships to river cruises. Cnt Editors, Condé Nast Traveler, "The World's Best Cruise Lines (Full List): Readers' Choice Awards 2018," 9 Oct. 2018 Clearly, there’s plenty of Netflix money afoot, too, as the Robinsons adventure through visually dramatic landscapes in visually dramatic weather, deal with catastrophic crashes, or hang out on their mega-deluxe-super-humongous-ship, the Jupiter. Matthew Gilbert,, "‘Lost in Space,’ we have a problem," 11 Apr. 2018

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








Statistics for mega

Last Updated

21 Jun 2019

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Time Traveler for mega

The first known use of mega was in 1968

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English Language Learners Definition of mega

 (Entry 1 of 2)

: very large
: very popular, successful, or important

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

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

More from Merriam-Webster on mega

Thesaurus: All synonyms and antonyms for mega

Britannica English: Translation of mega for Arabic Speakers

Comments on mega

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showing courage and determination

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