›of or made from a type of acid or a resin (= chemically produced sticky substance) which is used in making plastic, cloth, and paint: acrylic paintThey used acrylic yarn for the sweaters.acrylic
/əˈkrɪl·ɪk/n[Cusually pl]›He paints with acrylics.Synthetic materials like nylon, acrylic, and polyester can retain heat.