a very large city, typically one with a population of over ten million people.

spreading out over a large area in an untidy or irregular way.

an extended urban area, typically consisting of several towns merging with the suburbs of one or more cities.

surround and have or hold within.

a mass or collection of things; an assemblage.

lasting or intended to last or remain unchanged indefinitely.

build or erect

hygienic and clean.

relating to or denoting a metropolis, often inclusive of its surrounding areas.

the quality of being clever, original, and inventive.

a system or organization in which people or groups are ranked one above the other according to status or authority.

the capital or chief city of a country or region.

relating to the business of running an organization, or government.

drive, push, or cause to move in a particular direction, typically forward.

a project or undertaking, typically one that is difficult or requires effort.

an outlying district of a city, especially a residential one.

a part of a city, especially a slum area, occupied by a minority group or groups.

a planned route or journey.

needlework in which small pieces of cloth in different designs, colors, or textures are sewn together.

be received by someone in regular or increasing amounts over time.