| Sly |
| Wily |
| Shrewd |
| Crafty |
| Clever |
| Cunning |
| Not open |
| Cautious |
| Wary (var.) |
| Shrewd: Var. |
| Hard to fool |
| Nobody's fool |
| Guarded (var.) |
| Hard to corner |
| Good at evasion |
| Less than frank |
| Crafty or clever |
| Shrewdly cautious |
| Shrewd and clever |
| Skilled at evasion |
| Showing deviousness |
| Tricky to outwit (Var.) |
| Shrewd and clever (Var.) |
| Good at dodging questions |
| Hard to box in, ironically |
| Good at dodging questions (Var.) |