as in cities
a thickly settled, highly populated area
such modern megacities as São Paulo and Mexico City
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for megacities
Noun
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Waymo robotaxis currently operate in the San Francisco Bay Area as well as four other cities.—
Cecilio Padilla,
CBS News,
5 Feb. 2026 -
Harden and Garland want to bring a championship to their new cities.—
Janis Carr,
Oc Register,
5 Feb. 2026
Noun
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The buzzing underground networks are an important part of the modern, urban lifestyle in Canada’s coldest metropolises, and can be fascinating — and disorienting — for visitors.—
Vivian Song,
CNN Money,
17 Feb. 2026
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Southern metropolises like Charleston, Nashville, and New Orleans also made the cut.—
Lauren Dana Ellman,
Travel + Leisure,
6 Feb. 2026
Noun
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From major cities to small towns, oceanfront townhouses to mountain cabins, California offers a wide variety of places to live.—
Patricia Doherty,
Travel + Leisure,
15 Feb. 2026
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Power poles were snapped and toppled near the Louisiana towns of Jena, Cheneyville and Donaldsonville, the weather service reported.—
Dallas Morning News,
Dallas Morning News,
15 Feb. 2026
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Cite this Entry
“Megacities.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/megacities. Accessed 19 Feb. 2026.
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