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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 ?
KARACHI -- Pakistan Tehreek-e-Insaf (PTI) MNA Nusrat Wahid on Monday said that heaps of garbage and trash being not lifted by the relevant civic agencies would cause spread of infectious and bacterial diseases among citizens of the megalopolis.
Medical experts believed that more cases will be reported as stagnant rainwater has not yet been cleaned from various neighbourhoods of the megalopolis.
The economic development of Pampanga, he said, is going to be guided by the Pampanga Megalopolis Plan, which Arroyo helped draft.
SHE will retire from politics but former President and now Speaker Gloria Macapagal-Arroyo vowed on Tuesday to help her home province of Pampanga by focusing on the development of what she envisions as a 'megalopolis.'
The city's Environmental Commission of the Megalopolis came under pressure to act after visibility in the city began dropping sharply last week due to ash and smoke in the air.
KARACHI -- Pakistan Rangers Sindh Director General (DG) Major General Mohammad Saeed on Wednesday said that credit of restoring peace in the megalopolis goes to joint efforts of Rangers and Sindh Police.
Speaking on the occasion, Isomura said that human safety in terms of better transportation is the prerequisite for a megalopolis like Karachi.
Its portfolio covers all the Dutch municipalities including the Randstad megalopolis of Amsterdam, Rotterdam, Utrecht and The Hague.
Experts say the revival of the Karachi Circular Railway (KCR) mass transit project could potentially serve millions of daily commuters, decongesting the often-jammed roads in the megalopolis. However, the long-pending plan has seen several hiccups over the years.