Quick definitions from WordNet (sleek)
▸ verb: make slick or smooth
▸ adjective: well-groomed and neatly tailored; especially too well-groomed ("Sleek figures in expensive clothes")
▸ adjective: having a smooth, gleaming surface ("Sleek black fur")
▸ name: A surname (very rare: popularity rank in the U.S.: #67770)
▸ Also see sleek
▸ verb: make slick or smooth
▸ adjective: well-groomed and neatly tailored; especially too well-groomed ("Sleek figures in expensive clothes")
▸ adjective: having a smooth, gleaming surface ("Sleek black fur")
▸ name: A surname (very rare: popularity rank in the U.S.: #67770)
▸ Also see sleek