slick in WordNet English dictionary

1. marked by skill in deception
   "cunning men often pass for wise"; "deep political machinations"; "a foxy scheme"; "a slick evasive answer"; "sly as a fox"; "tricky Dick"; "a wily old attorney"
   crafty  cunning  dodgy  foxy  guileful  knavish  slick  sly  tricksy  tricky  wily 
   
2. having only superficial plausibility
   "glib promises"; "a slick commercial"
   glib  pat  slick 
   
3. having a smooth, gleaming surface reflecting light
   "glossy auburn hair"; "satiny gardenia petals"; "sleek black fur"; "silken eyelashes"; "silky skin"; "a silklike fabric"; "slick seals and otters"
   satiny  sleek  silken  silky  silklike  slick 
   
4. made slick by e.g. ice or grease
   "sidewalks slick with ice"; "roads are slickest when rain has just started and hasn't had time to wash away the oil"
   slick 
   

1. a magazine printed on good quality paper
   slick  slick magazine  glossy 
   
2. a trowel used to make a surface slick
   slick 
   
3. a film of oil or garbage floating on top of water
   slick 
   
4. a slippery smoothness
   "he could feel the slickness of the tiller"
   slickness  slick  slipperiness  slip 
   

1. make slick or smooth
   slick  sleek 
   
2. give a smooth and glossy appearance
   "slick one's hair"
   slick  slick down  sleek down