Answer: glossiest

AnswerCrossword Clue
GLOSSIESTMost lustrous
glossiestShiny and smooth
glossiest(of a magazine or photograph) Printed on high-quality smooth shiny paper
glossiest(of paint) Drying to a bright shiny surface
glossiestGLOSSY, lustrous (reflecting light evenly and efficiently)
glossiestSuperficially attractive and stylish, and suggesting wealth or expense