slick
/ˈslik/
adjective
having a smooth surface : slippery
having surface plausibility or appeal : glossy
based on stereotype : trite
slick wet leaves
slick advertising
verb
to make sleek or smooth
spruce —usually used with up
noun
something that is smooth or slippery; especially : a smooth patch of water covered with a film of oil
a film of oil
an automobile tire made without a tread for maximum traction (as in drag racing)