Spheroidity is a term used to describe the degree to which an object is spherical or roughly spherical. However, there are several other synonyms that can be used to convey this same concept. Some of these include roundness, globularity, curvature, rotundity, and evenness. Each of these words emphasizes a different aspect of the shape of an object. For example, roundness suggests a simple, uniform shape, while globularity implies a more complex, irregular shape with multiple protrusions. Curvature and rotundity both emphasize the smoothness of the surface, while evenness suggests a lack of asymmetry or irregularity. By using these synonyms, writers can add nuance and complexity to their descriptions of three-dimensional shapes.