| furtive(adjective, mean, smooth, smart, dishonest) |
| sly(adjective, sharp, informal, dishonest, cunning) |
| deceitful(adjective, mean, smooth, smart, false) |
| dishonest(adjective, mean, bad, smooth, wrong) |
| sneaky(adjective, mean, bad, smooth, wrong) |
| crooked(adjective, mean, bad, smooth, wrong) |
| insidious(adjective, false, dishonest, cunning, deceitful) |
| clandestine(adjective, deceitful, secret, sly, sneaky) |
| devious(adjective, honest, corrupt, dishonest, cunning) |
| treacherous(adjective, mean, smooth, smart, false) |
| crafty(adjective, mean, smooth, keen, sharp) |
| cunning(adjective, mean, smooth, keen, sharp) |
| surreptitious(adjective, dishonest, deceitful, secret, sly) |
| wily(adjective, mean, smooth, keen, sharp) |
| shifty(adjective, mean, smooth, smart, honest) |
| tricky(adjective, mean, smooth, keen, sharp) |
| secret(adjective, dishonest, deceitful, hidden, sly) |
| artful(adjective, sharp, intelligent, cunning, clever) |
| stealthy(adjective, quiet, dishonest, cunning, deceitful) |
| underhanded(adjective, honest, false, dishonest, cunning) |