The term 'unsmooth' can be described by three crossword solutions: RASPY (5 letters), COARSE (6 letters), and JAGGED (6 letters). RASPY refers to a sound that is rough, harsh, and grating. COARSE describes something that is rough or not fine in texture. JAGGED refers to something that has an irregular, sharp, or uneven edge. All three words describe the term unsmooth, which means having an uneven or rough surface or texture.