slick (Verb) — Make slick or smooth.
slick (Verb) — Give a smooth and glossy appearance. ex. "slick one's hair" ex. "slick down one's hair"
slick (Adjective) — Made slick by e.g. ice or grease. ex. "pavements slick with ice" ex. "roads are slickest when rain has just started and hasn't had time to wash away the oil"
slick (Adjective) — Having only superficial plausibility. ex. "a slick commercial"
slick (Adjective) — Having a smooth, gleaming surface reflecting light. ex. "slick seals and otters"
slick (Adjective) — Marked by skill in deception. ex. "a slick evasive answer"
slick (Noun) — A slippery smoothness. ex. "he could feel the slick of the tiller"
slick (Noun) — A magazine printed on good quality paper.
slick (Noun) — A film of oil or garbage floating on top of water.
slick (Noun) — A trowel used to make a surface slick.