WordWeb Online

1. (of hair) made smooth by applying a sticky or glossy substance
   "black hair slicked with pomade";
   - plastered

1. Make slick or smooth
   - sleek
    
2. Give a smooth and glossy appearance
   "slick one's hair"; "slick down one's hair";
   - slick down, sleek down

See also: groomed

Type of: comb, comb out, disentangle, polish, shine, smooth, smoothen

Encyclopedia: Slick, OK