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

Kinshasa itself is a megacity of over 15 million people, according to the World Bank, where the vast majority of inhabitants struggle to live day to day. — Emmet Livingstone, NPR, 28 Apr. 2026

She’s sustained by her love for her husband, their home in the megacity Losan (strikingly similar to Los Angeles), until a prophecy draws her to an enemy and a clash that will determine the fates of their peoples. — Hamilton Cain, Time, 7 July 2026

The megacity topped the list as the best unexpectedly affordable beach destination with a total of 41 beaches and over 400 family-friendly attractions. — Kaitlyn McInnis, Forbes.com, 14 Apr. 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