The word "most boxlike" can be replaced by several synonyms such as "cuboid," "rectangular," "square-shaped," "angular," and "gabled." The term "cuboid" is used to refer to an object with six rectangular faces, while "rectangular" means having four straight sides and four right angles. "Square-shaped" refers to something with an even length and width, and "angular" relates to having sharp angles or corners. Finally, "gabled" is used to describe a roof with two sloping sides that form a ridge or peak. Each of these synonyms can be used in different contexts depending on the specific reference or depiction of the object in question.