Home › Words › M › megagrowthmegagrowthmegagrowth means extraordinary growth, especially in finance or industry.EtymologyFrom mega- + growth.nounExtraordinary growth, especially in finance or industry.e.g.“Perhaps a more trenchant criticism is that predicting megagrowth stocks defies hard analysis or, as the author says, is largely a matter of intuition.” — 2007 January 21, Roger Lowenstein, “The Tricky Task of Spotting a New Market Darling”, in New York Times:Definitions & examples from Wiktionary (CC BY-SA 3.0).