The term 'not smooth' can be described by a variety of words, such as COARSE, EROSE, JERKY, ROCKY, ROUGH, GAUCHE, KNOBBY, THORNY, UNEVEN, KNOTTED, WIZENED, and textured. These words all describe something that is not smooth, but instead has an irregular surface or texture. COARSE means having a ROUGH surface, EROSE means having an irregular or jagged edge, JERKY means having sudden, abrupt movements, ROCKY means having a ROUGH, UNEVEN surface, ROUGH means having an UNEVEN or jagged surface, GAUCHE means lacking grace or refinement, KNOBBY means having bumps or protrusions, THORNY means having sharp points, UNEVEN means not level or balanced, KNOTTED means having knots or lumps, WIZENED means having a wrinkled or shrunken appearance, and textured means having a distinctive surface pattern.