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-
1
a
: great : large
megaspore
b
: greatly surpassing others of its kind
megahit
2
: million (106)
megohm
megacycle
Synonyms
Adjective
- astronomical
- astronomic
- Brobdingnagian
- bumper
- colossal
- cosmic
- cosmical
- cyclopean
- elephantine
- enormous
- galactic
- gargantuan
- giant
- gigantesque
- gigantic
- grand
- herculean
- heroic
- heroical
- Himalayan
- huge
- humongous
- humungous
- immense
- jumbo
- king-size
- king-sized
- leviathan
- mammoth
- massive
- mighty
- monster
- monstrous
- monumental
- mountainous
- oceanic
- pharaonic
- planetary
- prodigious
- super
- super-duper
- supersize
- supersized
- titanic
- tremendous
- vast
- vasty
- walloping
- whacking
- whopping
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
Alexandra Banner, CNN, 9 Aug. 2024
The bottom line: Saylor is a true mega bull of bitcoin, one who predicts wild success for the asset.
—Brady Dale, Axios, 8 Aug. 2024
The company has a global reach, partnering with mega retailers such as Costco and Target to provide meal kits and food offerings such as a popular egg bite breakfast item sold at Starbucks, according to its website.
—Peter Hermann, Washington Post, 1 Aug. 2024
The top performers among mega caps were 3M Company and Bristol-Myers Squibb Company, buoyed by surprising results.
—Detroit Free Press, 27 July 2024
See all Example Sentences for mega 
Adjective
China’s long-term goal is to create a mega constellation of 14,000 satellites beaming broadband internet coverage from space.
—Alexandra Banner, CNN, 9 Aug. 2024
The bottom line: Saylor is a true mega bull of bitcoin, one who predicts wild success for the asset.
—Brady Dale, Axios, 8 Aug. 2024
The company has a global reach, partnering with mega retailers such as Costco and Target to provide meal kits and food offerings such as a popular egg bite breakfast item sold at Starbucks, according to its website.
—Peter Hermann, Washington Post, 1 Aug. 2024
The top performers among mega caps were 3M Company and Bristol-Myers Squibb Company, buoyed by surprising results.
—Detroit Free Press, 27 July 2024
See all Example Sentences for mega
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mega.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near mega
Cite this Entry
“Mega.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mega. Accessed 19 Aug. 2024.
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