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1. A very large city.
2. A region made up of several large cities and their surrounding areas in sufficient proximity to be considered a single urban complex.

[megalo- + Greek polis, city; see pelə- in Indo-European roots.]

meg′a·lop·o·lis′tic adj.
meg′a·lo·pol′i·tan (-lō-pŏl′ĭ-tən) adj.


(Human Geography) an urban complex, usually comprising several large towns
[C20: megalo- + Greek polis city]
megalopolitan adj, n


(ˌmɛg əˈlɒp ə lɪs)

1. a very large city.
2. an urban region, esp. of large adjoining cities and suburbs.


a densely populated area of continuous extent containing many cities and towns that are separate administrative units.
See also: Cities
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.megalopolis - a very large urban complex (usually involving several cities and towns)megalopolis - a very large urban complex (usually involving several cities and towns)
populated area, urban area - a geographical area constituting a city or town
References in periodicals archive ?
24, 2015 /PRNewswire/ -- Analysis of Smart City Opportunities in Latin America : Case Studies Indicate the Concept is Slowly Gaining Traction in the RegionExecutive Summary -As cities grow and become metropolises or megalopolises, they must confront challenges related to energy and water availability, general infrastructure, sanitation, health, and other basic services.
The rise and rise of the mega-city (accommodating over 10 million inhabitants': is a global phenomenon but changing demographic1- have spawned burgeoning megalopolises and threatened long-cherished ambitions to secure democracy and a sustainable, inclusive future lor us ail.
He raises timely questions about how wild nature should be allowed to be, how climatic changes are affecting the world, and how the human beings in these areas can adapt to new ways of livelihood such as establishing vineyards and raising crops in small amounts but of peak-of-perfection quality to compete with the agribusiness megalopolises.