TRANSPARENT

[adjective] - able to be seen through; that allows light through, so that objects on the other side can be seen clearlyThe plants are in a transparent plastic box, so the children can see the roots growing.You couldn't wear this blouse with nothing underneath - it's practically transparent!(figurative disapproving) How can politicians stand there and come out with such transparent (= obvious) nonsense!(figurative) I think we should try to make the instructions more transparent (= clear and easy to understand).Compare opaque; translucent.