Home › Words › M › megapolitanmegapolitan/mɛɡəˈpɒlɪtən/megapolitan means of or pertaining to a megapolis (“a very large city or urban complex”).megapolitan is pronounced /mɛɡəˈpɒlɪtən/.EtymologyFrom megapolis + -itan; compare megalopolitan.adjOf or pertaining to a megapolis (“a very large city or urban complex”).e.g.“Of the intellectual nature of Bosville, mention has been made already. It is, as we have seen, […] megapolitan, metropolitan, cosmopolitan,[…].” — 1859 September, “Little Peddlington; otherwise Called Bosville”, in Timothy Flint, editor, The Knickerbocker, or New-York Monthly Magazine, volume LIV, number 3 (number 633 overall), New York, N.Y.: JOf, pertaining to, or from the ancient city of Megalopolis (now Megalopoli) in Greece.nounSynonym of megapolis.An inhabitant of a megapolis.An inhabitant of the ancient city of Megalopolis (now Megalopoli) in Greece.Definitions & examples from Wiktionary (CC BY-SA 3.0).