as in city
a thickly settled, highly populated area
such modern megacities as São Paulo and Mexico City
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Example Sentences
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Recent Examples of megacity
The capital city Tehran, a megacity with more than 10 million inhabitants — and 17 million in the metropolitan area — has thousands of hospitals and other civilian facilities that can’t be evacuated immediately.
—
Mohammad Hosseini, Chicago Tribune, 22 June 2025
As businesses prepare for an economic slowdown, the Neom megacity, with its transformative projects like The Line, represents Bin Salman's vision for economic diversification.
—Amir Daftari, MSNBC Newsweek, 6 May 2025
Which begs the question: Why are the hills around a megacity off-limits to new development?
—Edward Ring, Oc Register, 22 Apr. 2025
Christmas comes early to Yiwu, a bustling entrepôt just a couple hours by train from China’s coastal megacity of Shanghai.
—Charlie Campbell, Time, 28 Mar. 2025
See All Example Sentences for megacity
Mohammad Hosseini, Chicago Tribune, 22 June 2025
As businesses prepare for an economic slowdown, the Neom megacity, with its transformative projects like The Line, represents Bin Salman's vision for economic diversification.
—Amir Daftari, MSNBC Newsweek, 6 May 2025
Which begs the question: Why are the hills around a megacity off-limits to new development?
—Edward Ring, Oc Register, 22 Apr. 2025
Christmas comes early to Yiwu, a bustling entrepôt just a couple hours by train from China’s coastal megacity of Shanghai.
—Charlie Campbell, Time, 28 Mar. 2025
See All Example Sentences for megacity
Recent Examples of Synonyms for megacity
Noun
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At the same time, the White House has ordered immigration enforcement in cities around the country.—
Kevin Shalvey,
ABC News,
8 Sep. 2025
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The changes affect libraries operated by Maricopa County and not cities that operate their own libraries, such as Phoenix.—
Taylor Seely,
AZCentral.com,
8 Sep. 2025
Noun
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So, any Gotham within a contemporary film in the Batman series that's going to be authentic has to be reflective of a modern American metropolis.—
EW.com,
EW.com,
3 Sep. 2025
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About 120 miles west of London, just over an hour by train, lies Bristol—a vast metropolis that made Afar’s annual Where to Go list in 2022.—
Lottie Gross,
AFAR Media,
29 Aug. 2025
Noun
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Seven miles across town, another MPS school had to delay its start date by a day.—
Rory Linnane,
jsonline.com,
3 Sep. 2025
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Jarrett knew Swift and her family beforehand from seeing them around town.—
Angel Saunders,
People.com,
3 Sep. 2025
Cite this Entry
“Megacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/megacity. Accessed 9 Sep. 2025.
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