The word "boxier" means having a shape similar to a box, with straight edges and sharp corners. Some antonyms for "boxier" include curvier, rounder, softer, and smoother. These words describe objects or people that have a more organic, fluid shape, with gentle curves and rounded edges. For example, a curvier dress might hug the body in all the right places, creating a more feminine silhouette. Similarly, a rounder piece of furniture might have soft, padded edges that make it more comfortable to sit on. By using antonyms for boxier, we can describe a wider variety of shapes and styles, offering more nuance and depth to our descriptions.