| Rating | Solver | Clue |
|---|---|---|
| UNSEEN | Out of sight | |
| HIDDEN | Out of sight | |
| CONCEAL | Keep out of sight | |
| HID | Dropped out of sight | |
| DISAPPEARED | Dropped out of sight | |
| LURK | To keep out of sight. | |
| FADED | Slowly disappeared from sight when washed out | |
| UNDERGROUND | Done or occurring out of sight; secret. | |