Home › Words › M › megarecessionmegarecessionmegarecession · noun — A major economic recession.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom mega- + recession.nounA major economic recession.e.g.“Even if it were working perfectly, the stimulus would not come close to stemming the cascade of joblessness unleashed by this megarecession.” — 2009 July 11, Bob Herbert, “The Human Equation”, in New York Times:Definitions & examples from Wiktionary (CC BY-SA 3.0).