| Rating | Solver | Clue |
|---|---|---|
| REGRESS | Go backward | |
| BACK | To move or go backward; as, the horse refuses to back. | |
| RETROGRADE | To go in a retrograde direction; to move, or appear to move, backward, as a planet. | |
| ASTERN | In or at the hinder part of a ship; toward the hinder part, or stern; backward; as, to go astern. |