The antonyms for the word "more orbiculate" suggest shapes that are less circular or rounded in appearance. These antonyms include terms such as angular, jagged, irregular, and asymmetrical. Where orbiculate implies smoothness and symmetry, these antonyms connote roughness, unevenness, and lack of balance. For example, a polygonal or star-shaped object might be considered angular or jagged, while an object with prominent protrusions could be seen as asymmetrical. The use of antonyms helps to highlight the variety of shapes and forms that exist in the world, reminding us that there is beauty in both the round and the hard-edged.