Home › Words › M › megamansionmegamansionmegamansion means A very large mansion.EtymologyFrom mega- + mansion.nounA very large mansion.e.g.“The threat of some sort of development — ranchettes and megamansions, most likely — remained.” — 2008 March 25, “Last Chapter in Yellowstone”, in New York Times:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.megahome 79% match — A very large and luxurious home. vs megamansion →megabuilding 72% match — A very large and imposing building. vs megamansion →minimansion 68% match — A small mansion; a mansionette. vs megamansion →mansionette 68% match — A large and somewhat luxurious house. vs megamansion →megamoney 67% match — Very large amounts of money. vs megamansion →mcmansion 66% match — A large, imposing and ostentatious house that lacks architectural integrity. vs megamansion →megamarket 63% match — A market that is very large. vs megamansion →megadevelopment 61% match — A very large real estate development. vs megamansion →