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
In China, officials were preparing to relocate 400,000 people from low-lying and coastal areas of Shenzhen – a megacity with about 17.5 million residents.
—
Helen Regan, CNN Money, 22 Sep. 2025
Inflation in Peru’s megacity capital of Lima has been below the 2% midpoint of the central bank’s target range all year, but the early consensus expects the central bank to keep its key rate unchanged at 4.5% for a third straight meeting.
—Nick Lichtenberg, Fortune, 10 Aug. 2025
Baidu’s largest operations hub is Wuhan, a megacity in central China with more than 13 million people, strategically chosen for its supportive regulatory environment and its status as China’s automotive heartland.
—IEEE Spectrum, 15 July 2025
Going Off-Grid in Japan’s Uncrowded, Otherworldly Gotō Islands The 150-plus-island archipelago has drawn megacity transplants seeking a more relaxed pace of life in tune with the rhythms of nature.
—Melinda Joe, Condé Nast Traveler, 31 May 2025
See All Example Sentences for megacity
Helen Regan, CNN Money, 22 Sep. 2025
Inflation in Peru’s megacity capital of Lima has been below the 2% midpoint of the central bank’s target range all year, but the early consensus expects the central bank to keep its key rate unchanged at 4.5% for a third straight meeting.
—Nick Lichtenberg, Fortune, 10 Aug. 2025
Baidu’s largest operations hub is Wuhan, a megacity in central China with more than 13 million people, strategically chosen for its supportive regulatory environment and its status as China’s automotive heartland.
—IEEE Spectrum, 15 July 2025
Going Off-Grid in Japan’s Uncrowded, Otherworldly Gotō Islands The 150-plus-island archipelago has drawn megacity transplants seeking a more relaxed pace of life in tune with the rhythms of nature.
—Melinda Joe, Condé Nast Traveler, 31 May 2025
See All Example Sentences for megacity
Recent Examples of Synonyms for megacity
Noun
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Bella Hadid followed suit, while also making appearances in the Italian city of design, styling a brown suede jacket with straight-leg denim and pointy boots, leaning into her now-infamous cowgirl-with-a-twist aesthetic.—
Kristina Rutkowski,
Vogue,
17 Mar. 2026
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At a time when political machines dominated state and city politics, Cleveland challenged patronage and favoritism.—
Jacob Lane The Chicago Tribune,
Arkansas Online,
17 Mar. 2026
Noun
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The small city of Sausalito, California, promises a Mediterranean escape minutes from one of the nation’s biggest metropolises, San Francisco.—
Cu Fleshman,
Travel + Leisure,
10 Mar. 2026
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The fighting has grounded regional air traffic, threatened desalination facilities that provide drinking water to millions and undermined the safe reputation of modern metropolises such as Dubai and Abu Dhabi.—
Kevin Rector,
Los Angeles Times,
9 Mar. 2026
Noun
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That section of town received evacuation alerts hours after flames threatened the area, and much later than wealthier, whiter areas of the unincorporated town.—
Rebecca Ellis,
Los Angeles Times,
14 Mar. 2026
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The busiest single day of the year is usually the Capay Valley Almond Festival, a five-town celebration billed as the only festival of its kind in California.—
David Caraccio,
Sacbee.com,
14 Mar. 2026
Cite this Entry
“Megacity.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/megacity. Accessed 20 Mar. 2026.
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