megacity

noun

mega·​city ˈme-gə-ˌsi-tē How to pronounce megacity (audio)
Synonyms of megacitynext

Examples of megacity in a Sentence

such modern megacities as São Paulo and Mexico City
Recent Examples on the Web
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.
Hospitality heavyweights like Orient Express, The Ritz-Carlton, Aman and Four Seasons are taking their brand of high-end service to the high seas, betting that affluent travelers would rather board a boutique yacht than a floating megacity. Elycia Rubin, HollywoodReporter, 24 Mar. 2026 No one is surprised that Neom — Saudi Crown Prince Mohammed bin Salman’s $1.5 trillion-with-a-t plan to build a futuristic megacity smack dab in the middle of the desert — has turned out to be a disaster. Frank Landymore, Futurism, 28 Jan. 2026 The fabric of Lagos, Nigeria’s megacity of some twenty million people, is delicately strung together: a mainland with a populace that spills onto several islands in a lagoon that brushes against the Atlantic Ocean. Alexis Okeowo, New Yorker, 10 Jan. 2026 While Lagos dominates headlines as a megacity of 17 million, secondary cities such as Benin are quietly becoming engines of economic activity, innovation and migration. Amir Daftari, MSNBC Newsweek, 3 Dec. 2025 See All Example Sentences for megacity

Word History

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of megacity was in 1967

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Cite this Entry

“Megacity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megacity. Accessed 6 Apr. 2026.

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