The term 'bubble shape' can be described by two crossword solutions: ORB (3 letters) and SPHERE (6 letters). An ORB is a three-dimensional, round object, while a SPHERE is a perfectly round, three-dimensional object. Both terms refer to a shape that is symmetrical in all directions. The term 'bubble shape' is often used to describe the shape of a soap bubble, which is typically spherical or nearly spherical in shape.