| Rating | Solver | Clue |
|---|---|---|
| UNCHARTED | Unexplored | |
| UNMAPPED | Unexplored | |
| PATHFINDER | Person who finds a way through unexplored territory | |
| TRACT | A region or quantity of land or water, of indefinite extent; an area; as, an unexplored tract of sea. | |
| OUTFIELD | A field beyond, or separated from, the inclosed land about the homestead; an uninclosed or unexplored tract. Also used figuratively. | |