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
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 Ouellette, ArsTechnica, 24 July 2025
Many people did not have to pay taxes on Social Security benefits based on their income before the mega tax bill was signed into law July 4.
—Susan Tompor, USA Today, 21 July 2025
The clean vehicle credit expires Sept. 30 under the mega tax bill.
—Susan Tompor, Freep.com, 21 July 2025
But Zuckerberg isn’t just settling for two mega data centers.
—PC Magazine, 14 July 2025
See All Example Sentences for mega
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show current usage.
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Adjective
However, the scale of these projects is much smaller compared with mega clusters of data centers being built by tech giants around the world.
—Jennifer Ouellette, ArsTechnica, 24 July 2025
Many people did not have to pay taxes on Social Security benefits based on their income before the mega tax bill was signed into law July 4.
—Susan Tompor, USA Today, 21 July 2025
The clean vehicle credit expires Sept. 30 under the mega tax bill.
—Susan Tompor, Freep.com, 21 July 2025
But Zuckerberg isn’t just settling for two mega data centers.
—PC Magazine, 14 July 2025
See All Example Sentences for mega
Cite this Entry
“Mega.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mega. Accessed 29 Jul. 2025.
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