›to change something in a basic way so that it works differently: It's all about reinventing the way we do business.They must face reality and reinvent their failing systems.
reinvent yourself›to change the way you behave or look so that people think of you differently: In marketing parlance, the company has reinvented itself with a new brand.After going bankrupt she reinvented herself as an artist.
reinvent the wheel›to waste time and money in developing something that already exists: I'm afraid we've wasted six years reinventing the wheel.