mega

1 of 2

adjective

ˈme-gə How to pronounce mega (audio)
Synonyms of mega
1
: vast
a mega electronics store
2
: of the highest level of rank, excellence, or importance
a number one hit made her mega

mega-

2 of 2

combining form

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

Synonyms of mega

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Adjective

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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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The hotel assembled a mega watt team with backgrounds that read like a who’s who of travel, having worked in places like the Armani hotel in Dubai. — Condé Nast, Condé Nast Traveler, 3 Sep. 2026 Indeed, at lunch, instead of separating into groups to eat, all 16 participants form one mega table and spend the half-hour joking and laughing together. — Ellise Shafer, Variety, 31 Aug. 2026 Onimusha games, despite having many fans, are not exactly on the same tier as mega hits like Monster Hunter, Street Fighter, or Resident Evil. — Zackery Cuevas, PC Magazine, 31 Aug. 2026 And this year, Shanghai’s STAR Market has won its own mega-tech IPOs from companies like memory maker ChangXin Memory Technologies and robotics firm Unitree. — Nicholas Gordon, Fortune, 31 Aug. 2026 See All Example Sentences for mega

Word History

Etymology

Adjective

mega-

Combining form

Greek, from megas large — more at much

First Known Use

Adjective

1968, in the meaning defined at sense 1

Time Traveler
The first known use of mega was in 1968

Rhymes for mega

See All Rhymes for mega

Browse Nearby Words

MEG
mega
mega-
See all Nearby Words

Cite this Entry

“Mega.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mega. Accessed 4 Sep. 2026.

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Kids Definition

mega-

combining form
variants or meg-
1
: great : large
megaspore
2
: million : multiplied by one million
megahertz
3
: to the highest or greatest degree
mega-successful
Etymology

Combining form

from Greek megas "large"

Last Updated: - Updated example sentences
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