megacity

noun

mega·​city ˈme-gə-ˌsi-tē 

: megalopolis sense 1

Synonyms of megacity

• city
• metropolis
• town

Examples of megacity in a Sentence

such modern megacities as São Paulo and Mexico City

Recent Examples on the Web

In Dhaka, a sprawling megacity of almost 40 million that is usually defined by relentless momentum, the nights have grown eerily dark. — Charlie Campbell, Time, 20 Oct. 2026

Home to the world’s largest Japanese diaspora, as well as sizeable Korean and Chinese communities, the Brazilian megacity of São Paulo is one of the best places outside Asia to enjoy Asian food, said Austin Bush in Travel + Leisure. — The Week Uk, TheWeek, 6 Sep. 2026

Her state, which includes the megacity of Tijuana, is a magnet for American tourists, and also for narcotics cartels. — Kevin Sieff, The Atlantic, 24 July 2026

Tokyo was the world’s only megacity to break into the top 10 of the ranking, which uses criteria such as healthcare, culture and environment, education, infrastructure, and stability. — Jeronimo Gonzalez, semafor.com, 8 July 2026

Word History

First Known Use

1967, in the meaning defined above

Rhymes for megacity

• intercity
• lubricity
• pugnacity
• rhythmicity
• seismicity
• sphericity
• subcommittee
• tendinitis
• bitty
• city
• ditty
• gritty