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
Alex Badia, WWD, 9 Dec. 2024
Today, the mega retailer has slashed prices on all-in-one luggage sets, sleek weekender bags, and trusty carry-ons.
—Amelia McBride, Travel + Leisure, 2 Dec. 2024
And when the love of my life came into my life, Tom, who is also a mega dog lover, moved across the country with his beautiful German Shepherd, Blue.
—Janelle Ash, Fox News, 26 Nov. 2024
He was spotted wearing an unreleased Omega Seamaster with a burgundy bezel, black dial, and mega-stylish Milanese bracelet.
—Jeremy White, WIRED, 21 Nov. 2024
See all Example Sentences for mega 
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Adjective
The Globes could be another platform for the best actor nominee and brand to create a mega fashion moment.
—Alex Badia, WWD, 9 Dec. 2024
Today, the mega retailer has slashed prices on all-in-one luggage sets, sleek weekender bags, and trusty carry-ons.
—Amelia McBride, Travel + Leisure, 2 Dec. 2024
And when the love of my life came into my life, Tom, who is also a mega dog lover, moved across the country with his beautiful German Shepherd, Blue.
—Janelle Ash, Fox News, 26 Nov. 2024
He was spotted wearing an unreleased Omega Seamaster with a burgundy bezel, black dial, and mega-stylish Milanese bracelet.
—Jeremy White, WIRED, 21 Nov. 2024
See all Example Sentences for mega
Dictionary Entries Near mega
Cite this Entry
“Mega.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mega. Accessed 21 Dec. 2024.
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