| Answer | Crossword Clue |
|---|---|
| INKY | Like ocean depths |
| INKY | Like the ocean depths |
| INKIER | Like deeper ocean depths |
| INKIER | More like ocean depths |
| ABYSS | Ocean depths. |
| ABYSS | The ocean depths. |
| ISOBATH | Connector of equal ocean depths |
| BATHYMETER | Device for measuring ocean depths: Var. |
