Less smooth, rougher, pricklier, scratchier, coarser, bristlier or woollier are all potential antonyms for the word "more stubbled." While "more stubbled" refers to an uneven or rough surface, these antonyms suggest a surface that is the opposite: smooth, refined, and hairless. Depending on the context, a number of other antonyms could also be used, such as velvety, sleek, or polished, which all describe surfaces that are exceptionally smooth and free from any roughness. Regardless of what antonym you choose to use, it's important to ensure it accurately reflects the intended meaning and tone of the sentence.