gainsharing (??e?n???r??) n (Industrial Relations & HR Terms) commerce a. a system in which employees are financially rewarded for reducing operating costs and working more efficiently. The reward may or may not be in relation to individual performanceb. (as modifier): a gainsharing scheme. [C19: on the model of profit-sharing]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014