| Answer | Crossword Clue |
|---|---|
| SLYER | More guileful |
| WILIER | More guileful |
| SLIER | More guileful |
| SLY | Guileful |
| WILY | Guileful |
| SLY | Guileful. |
| SNEAKY | Guileful |
| FOXY | Guileful |
| SLYEST | Most guileful |
| SLIEST | Most guileful |
| guilefully | GUILEFUL, deceitful |
| guilefulness | the state of being guileful |
| guilefulnesses | GUILEFULNESS, the state of being guileful |
