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
Raul A. Reyes, Newsweek, 22 Jan. 2025
In a new interview, the professional dancer who starred in the dance competition series for 10 seasons, opened up about her decision to leave the show at the height of finding mega fame and success.
—Christina Dugan Ramirez, Fox News, 20 Jan. 2025
In line with the brand’s dedication to rollback savings, the mega retailer has slashed prices on everything from hardside suitcase sets (like this three-piece Travelhouse set, $281 off) to weekender bags (like this roomy Bagsmart duffel, just $37).
—Amelia McBride, Travel + Leisure, 17 Jan. 2025
Now, mega investors own and operate about 446,000 single-family properties across the U.S., according to a rnews elease from the agency.
—Desiree Mathurin, Charlotte Observer, 16 Jan. 2025
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.
Send us feedback.
Adjective
Harry settled out of court on Wednesday for a mega payout—reportedly upwards of £10 million—along with an apology not only to him, but also to Princess Diana.
—Raul A. Reyes, Newsweek, 22 Jan. 2025
In a new interview, the professional dancer who starred in the dance competition series for 10 seasons, opened up about her decision to leave the show at the height of finding mega fame and success.
—Christina Dugan Ramirez, Fox News, 20 Jan. 2025
In line with the brand’s dedication to rollback savings, the mega retailer has slashed prices on everything from hardside suitcase sets (like this three-piece Travelhouse set, $281 off) to weekender bags (like this roomy Bagsmart duffel, just $37).
—Amelia McBride, Travel + Leisure, 17 Jan. 2025
Now, mega investors own and operate about 446,000 single-family properties across the U.S., according to a rnews elease from the agency.
—Desiree Mathurin, Charlotte Observer, 16 Jan. 2025
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 30 Jan. 2025.
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