| tricksy(adjective, cunning) |
| two-faced(adjective, wrong, false, corrupt, dishonest) |
| unreliable(adjective, wrong, delicate, false, loose) |
| unstable(adjective, understanding, keen, fine, difficult) |
| yellow(adjective, low, sly, devious, cowardly) |
| Machiavellian |
| arch(adjective, mean, smooth, cunning, knowing) |
| chancy(noun, adjective, delicate, uncertain, sensitive) |
| cute |
| deep(adjective, sharp, intelligent, cunning, clever) |
| doubtful(noun, adjective, weak, delicate, uncertain) |
| furtive(adjective, mean, smooth, smart, informal) |
| perfidious(adjective, wrong, false, dishonest, deceitful) |
| smart(adjective, person, sharp, behavior, intelligent) |
| troublesome(adjective, hard, tough, difficult, complex) |
| underhanded(adjective, false, dishonest, cunning, deceitful) |
| untrustworthy(adjective, false, dishonest, cunning, deceitful) |
| vulpine(adjective, cunning) |
| acute(adjective, understanding, keen, sharp, fine) |
| conniving(adjective, mean, smooth, smart, dishonest) |