| Rating | Solver | Clue |
|---|---|---|
| CHASM | Deep cleft | |
| RAVINE | A deep and narrow hollow, usually worn by a stream or torrent of water; a gorge; a mountain cleft. | |
| CHINE | A chink or cleft; a narrow and deep ravine; as, Shanklin Chine in the Isle of Wight, a quarter of a mile long and 230 feet deep. |