| shady(adjective, bad, wrong, false, corrupt) |
| smooth(adjective, mean, cunning, sly, treacherous) |
| unconscionable(adjective, dishonest, immoral, immoderate) |
| undercover(adjective, quiet, dishonest, cunning, secret) |
| unreliable(adjective, false, dishonest, deceitful, slick) |
| arch(mean, smooth, cunning, sly, crafty) |
| concealed(adjective, dishonest, cunning, deceitful, underhanded) |
| contemptible(adjective, low, corrupt, dishonest, crooked) |
| dastardly |
| deceptive(adjective, mean, smooth, smart, false) |
| dirty(adjective, bad, wrong, corrupt, dishonest) |
| disreputable(adjective, bad, wrong, false, uncertain) |
| evil |
| feline(adjective, feature, move, trait, craftiness) |
| hidden(adjective, secret, private, clandestine, underground) |
| hole-and-corner(secret, private, hidden, covert) |
| illicit(adjective, sly, fraudulent) |
| low(adjective, corrupt, dishonest, deceitful, crooked) |
| lurking |
| misleading(adjective, false, dishonest, cunning, deceitful) |