unsmooth (adj.)

• broken
• bumpy
• choppy
• coarse
• coarse-grained
• corrugated
• craggy
• cross-grained
• grainy
• granulated
• harsh
• homespun
• irregular
• jagged
• jolty
• pimply
• pitted
• potholed
• rank
• rough
• ruffled
• rugged
• rutted
• rutty
• scabrous
• scraggy
• shagged
• shaggy
• textured
• uneven
• unkempt
• unpolished
• unrefined