The term squaredness refers to the state or quality of being square-shaped. However, there are several synonyms available that can be used to describe this shape or quality. Some of these synonyms include rectangularity, foursquareness, squarishness, and boxiness. Rectangularity refers to a shape that is oblong with four right angles. Foursquareness describes an object that is exact or precise in terms of design, shape, or structure. Squarishness is used to describe something that is somewhat square-shaped but not completely square. Boxiness is another word that can be used for squaredness, but it specifically refers to the shape of a box or container.