The antonyms for the word "art smooth" are rough, uneven, coarse, rugged, and bumpy. These words describe surfaces that are not sleek or polished. Rough surfaces have irregularities and bumps that make them difficult to touch, while uneven surfaces have varying heights or depths that make them not level. Coarse surfaces have a rough texture, and rugged surfaces are wild and untamed. Bumpy surfaces have small protuberances that make them uneven. Art is a form of expression that is commonly associated with smoothness and elegance, but sometimes artists use rough or uneven textures to create a specific effect.