I-spy n a game in which one player specifies the initial letter of the name of an object that he or she can see, which the other players then try to guess Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014