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
Jennifer Leigh Parker, Forbes, 2 Oct. 2024
The search for a wedding guest outfit can be mega fun, but also a stressful and expensive experience — especially with the sheer amount of weddings happening this time of year.
—Alicia Lansom, refinery29.com, 2 Oct. 2024
In 2017, the recent wave of mega overall deals kicked off with Shonda Rhimes’ high-profile departure from her longtime ABC Studios home to Netflix, unleashing a frenzied race for A-list talent that defined the streaming wars in the late 2010s and early 2020s.
—Nellie Andreeva, Deadline, 1 Oct. 2024
Come here to this giant mega streamer service and here’s your little sum of money.
—Frank Digiacomo, Billboard, 30 Sep. 2024
See all Example Sentences for mega 
Adjective
The first mega project was the dredging of that creek to allow ships to come and go.
—Jennifer Leigh Parker, Forbes, 2 Oct. 2024
The search for a wedding guest outfit can be mega fun, but also a stressful and expensive experience — especially with the sheer amount of weddings happening this time of year.
—Alicia Lansom, refinery29.com, 2 Oct. 2024
In 2017, the recent wave of mega overall deals kicked off with Shonda Rhimes’ high-profile departure from her longtime ABC Studios home to Netflix, unleashing a frenzied race for A-list talent that defined the streaming wars in the late 2010s and early 2020s.
—Nellie Andreeva, Deadline, 1 Oct. 2024
Come here to this giant mega streamer service and here’s your little sum of money.
—Frank Digiacomo, Billboard, 30 Sep. 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 16 Oct. 2024.
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