| privily(quietly, secretly, personally, privately, furtively) |
| quietly(secretly, personally, privately, furtively, slyly) |
| secret(dishonest, cunning, deceitful, sneaky, underhanded) |
| secretive(dishonest, cunning, deceitful, sneaky, underhanded) |
| shady(dishonest, cunning, deceitful, crooked, sneaky) |
| shifty(dishonest, cunning, deceitful, sneaky, underhanded) |
| slippery(dishonest, cunning, deceitful, crooked, sneaky) |
| sly(dishonest, cunning, deceitful, fraudulent, sneaky) |
| slyly(clandestine, quietly, secretly, personally, privately) |
| sneaking(dishonest, cunning, deceitful, sneaky, underhanded) |
| sneaky(dishonest, cunning, deceitful, sly, fraudulent) |
| stealthily(clandestine, quietly, secretly, personally, privately) |
| stealthy(dishonest, cunning, deceitful, sneaky, underhanded) |
| sub-rosa(dishonest, cunning, deceitful, fickle, untrustworthy) |
| sub rosa(expression, clandestine, quietly, personally, privately) |
| surreptitious(dishonest, cunning, deceitful, sneaky, underhanded) |
| treacherous(dishonest, cunning, deceitful, fickle, untrustworthy) |
| tricky(dishonest, cunning, deceitful, sneaky, underhanded) |
| two-faced(dishonest, cunning, deceitful, crooked, sneaky) |
| two-timing(dishonest, cunning, deceitful, fickle, untrustworthy) |