The antonyms for the word "most finer" include coarser, rougher, and inferior. Coarser refers to something that has a rough or gritty texture, while rougher implies a surface that is uneven, rugged, or jagged. The term inferior refers to something that is of lower quality or value, indicating that it is less refined or polished than the idea of "most finer." These antonyms can be used to describe anything from materials like sandpaper, to emotions like anger. By understanding these antonyms, we gain a broader understanding of the concept of "most finer," as well as the many different variations in texture, quality, and value that exist in the world around us.