Of, relating to, or having the characteristics of a metal. Containing a metal: a metallic compound. Having a quality suggesting or associated with metal, especially: Lustrous; sparkling: metallic colors. Sharp-tasting: an unpleasant, metallic flavor. Harshly resonant: "the strange metallic note of the meadow lark, suggesting the clash of vibrant blades\u201d ( Ambrose Bierce). A yarn or fiber made of or containing metal. A fabric, typically shiny or iridescent, made of such yarn or fiber.