| deceptive(adjective, mean, smooth, smart, false) |
| illicit(adjective, fraudulent) |
| low(adjective, corrupt, dishonest, deceitful, crooked) |
| snaky(adjective, devious) |
| cagey(mean, smooth, cunning, dubious, untrustworthy) |
| conniving(adjective, mean, smooth, smart, false) |
| deep(cunning, crafty, clandestine, underground) |
| ingenious(mean, smooth, cunning, treacherous) |
| subtle(mean, smooth, false, misleading) |
| under-the-counter |
| cloak-and-dagger(adjective, full, clandestine, underground) |
| closet(adjective, clandestine, underground, fraudulent) |
| delusive(mean, smooth, false, misleading) |
| elusive(adjective, mean, smooth, smart, false) |
| illusory(mean, smooth, false, misleading) |
| intriguing(quiet, mean, smooth, cunning) |
| on the quiet(expression, idiom, dishonest, cunning, deceitful) |
| bluffing(adjective, mean, smooth, smart, false) |
| captious(mean, smooth) |
| dissembling(mean, smooth) |