e-crime n 1. (Communications & Information) criminal activity that involves the use of computers or networks such as the internet 2. (Law) criminal activity that involves the use of computers or networks such as the internet [C20: e-2 + crime]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014