acrylic /əˈkɹɪl.ɪk/noun 5adjective 2forms 1 noun5 •An acrylic resin. •A paint containing an acrylic resin.When it comes to painting, I prefer using acrylics as my medium. •A liquid coating system based on an acrylic resin. •A thick sheet of plastic. •A painting executed using such a paint. adjective2 •Derived from acrylic acid or acrylonitrile. •Containing an acrylic resin. formsacrylics