- informal a person who is enormously rich
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for gazillionaire
His hero, Bruce Springsteen, is a gazillionaire, but he still manages to come across as a regular guy, so perception is reality.Will Chris Christie Regret His Cowboy Hug?
January 5, 2015