Satiny, SLEEK, and SLICK are all adjectives used to describe something that is smooth and glossy. SATINY is a six-letter word that means having a smooth, glossy surface like that of satin fabric. SLEEK is a five-letter word that means having a smooth, graceful, and stylish appearance. SLICK is also a five-letter word that means having a smooth, glossy surface that is slippery to the touch. All three words can be used to describe something that is smooth and glossy.