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
Eileen Falkenberg-Hull, MSNBC Newsweek, 23 May 2025
On May 18, relatives of the Venezuelan migrant detainees in El Salvador's mega prison CECOT, announced to a WhatsApp group the death of Marlene Ramirez, a grandmother who raised one of the men currently detained there, Jonathan Mendoza Ramirez.
—Nidia Cavazos, CBS News, 23 May 2025
And this one comes with a mega budget bankrolled by Apple Original Films (with a theatrical-distribution arrangement through Warner Bros.), which has seen low box-office returns for many of its offerings, including Argylle, Killers of the Flower Moon, and Wolfs.
—Chris Lee, Vulture, 22 May 2025
Williams is 31 points ahead of Haas in the ‘best of the rest’ battle, and because the team is not developing its 2025 car, these early gains — and mega ones at that — are that much more critical.
—Luke Smith, New York Times, 21 May 2025
See All Example Sentences for mega
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
The recent acceleration in AI capabilities have mega implications for fusion.
—Eileen Falkenberg-Hull, MSNBC Newsweek, 23 May 2025
On May 18, relatives of the Venezuelan migrant detainees in El Salvador's mega prison CECOT, announced to a WhatsApp group the death of Marlene Ramirez, a grandmother who raised one of the men currently detained there, Jonathan Mendoza Ramirez.
—Nidia Cavazos, CBS News, 23 May 2025
And this one comes with a mega budget bankrolled by Apple Original Films (with a theatrical-distribution arrangement through Warner Bros.), which has seen low box-office returns for many of its offerings, including Argylle, Killers of the Flower Moon, and Wolfs.
—Chris Lee, Vulture, 22 May 2025
Williams is 31 points ahead of Haas in the ‘best of the rest’ battle, and because the team is not developing its 2025 car, these early gains — and mega ones at that — are that much more critical.
—Luke Smith, New York Times, 21 May 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 3 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share