When describing objects or structures that resemble a box, the term "box-shaped" may seem overused and not quite specific enough. To add some variety and precision to your language, consider alternative synonyms such as "cuboid," "rectangular," "parallelepiped," or "prismatic." These terms highlight different aspects of the shape, such as the proportions or inclination of the sides, or the presence of edges or angles. If you want to convey a more specific impression, you could also use descriptive adjectives such as "slim," "sturdy," "ornate," or "sleek" to modify the main term. With such a range of synonyms at your disposal, you can create a more vivid and engaging description of box-shaped objects in various contexts.