supercity

[ soo-per-sit-ee ]
/ ˈsu pərˌsɪt i /

noun, plural su·per·cit·ies.

a large, heavily populated urban area that includes several cities; megalopolis.
a very large city.

Origin of supercity

An Americanism dating back to 1920–25; super- + city

Words nearby supercity

superciliary, superciliary arch, superciliary ridge, supercilious, supercilium, supercity, superclass, supercluster, supercoil, supercollider, supercolumnar