megacity
Americannoun
plural
megacitiesnoun
Etymology
Origin of megacity
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Soaring black-market prices of cooking gas in India's capital are pushing poorer families back to wood and coal, raising health risks and worsening air quality in the highly polluted megacity.
From Barron's • Mar. 24, 2026
Plans for the Neom megacity, billed as the world’s most audacious venture in urban design, have been scaled back.
From The Wall Street Journal • Feb. 9, 2026
The hosts and Jeff discuss the many reasons Mohammed bin Salman’s outlandish plans for a megacity in the desert have failed to be realized.
From Slate • Nov. 8, 2025
We are the only megacity in the world that has mountain lions roaming the streets; only Mumbai and its leopards even compare.
From Los Angeles Times • Jan. 12, 2025
A building has collapsed in Nigeria’s megacity, Lagos, once every two weeks on average so far this year.
From BBC • Aug. 31, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.