A (meth)acrylate copolymer derived from a polymerizable composition containing a (meth)acrylate macromer, an adhesive composition that is a pressure-sensitive adhesive and that contains the (meth)acrylate copolymer, and an article containing the adhesive composition are provided. The articles may be, for example, an adhesive tape, an electronic device, or a flexible and/or foldable article. The articles advantageously can be used to in electronic devices that are foldable and/or flexible.