Transparent : (of a material or article) allowing light to pass through so that objects behind can be distinctly seen.Opaque : not able to be seen through; not transparent.Translucent : (of a substance) allowing light, but not detailed shapes, to pass through; semi-transparent.Solid : firm and stable in shape; not liquid or fluid.Fragile : (of an object) easily broken or damaged.Antonym of Transparent is Opaque