shallow copy noun 1shallow-copy verb 1forms 4 noun1 •A copy of a data structure which shares any linked structures with the original.If you modify that, you'll modify all the shallow copies of the header that points to it. shallow-copy verb1 •To make a shallow copy of.The bug came from trying to shallow-copy a mutable structure. formsshallow-copied · shallow-copying · shallow-copies · shallow copies