sleek

Concise Oxford English Dictionary © 2008 Oxford University Press:
sleek/sliːk/

▶adjective

• 1 (especially of hair or fur) smooth, glossy, and healthy-looking.

• 2 wealthy and well-groomed in appearance.

  ■ elegant and streamlined: a sleek car.

▶verb make (hair) sleek by applying pressure or moisture.

– derivatives
sleekly adverb,
sleekness noun,
sleeky adjective.

– origin ME: a later var. of slick.