When searching for synonyms to replace the word "unpolished," several options come to mind. The term "raw" could be used to describe something that lacks refinement and is not yet perfected. Similarly, the word "rough" could be used to convey the idea of something that is not smooth or polished. Other options could include "undeveloped," "coarse," "unrefined," or "crude." Each of these synonyms offer slightly different nuances, but all convey the general idea of something that is not yet complete or polished to a high degree.