- a style of decorative art developed originally in the 1920s with a revival in the 1960s, marked chiefly by geometric motifs, curvilinear forms, sharply defined outlines, often bold colors, and the use of synthetic materials, as plastics.
- a style of interior decoration, jewellery, architecture, etc, at its height in the 1930s and characterized by geometrical shapes, stylized natural forms, and symmetrical utilitarian designs adapted to mass production
- (as modifier)