| cunning(adjective, mean, smooth, keen, sharp) |
| crafty(adjective, mean, smooth, keen, sharp) |
| tricky(adjective, mean, smooth, keen, sharp) |
| clever(adjective, sharp, intelligent, cunning, shrewd) |
| guileful(adjective, mean, smooth, sharp, ability) |
| deceitful(adjective, mean, smooth, smart, false) |
| designing(adjective, mean, smooth, sharp, smart) |
| shifty(adjective, mean, smooth, smart, false) |
| slippery(adjective, keen, sharp, smart, informal) |
| underhand(adjective, mean, smooth, keen, sharp) |
| devious(adjective, sharp, false, negative, sensitive) |
| sneaky(adjective, mean, smooth, smart, false) |
| treacherous(adjective, mean, smooth, smart, false) |
| dishonest(adjective, mean, smooth, smart, false) |
| subtle(adjective, smooth, false, cunning, clever) |
| crooked(adjective, mean, smooth, smart, false) |
| deceptive(adjective, mean, smooth, smart, false) |
| double-dealing(adjective, mean, smooth, smart, false) |
| knowing(verb, adjective, sharp, intelligent, cunning) |
| serpentine(adjective, false, cunning, misleading) |