| Answer | Crossword Clue |
|---|---|
| UNTROD | Never before used, as a path |
| BEATEN | Much-used, as a path |
| PREOCCUPIED | Before being used, as a bathroom? |
| TNT | What was originally used as a yellow dye before its best-known property was discovered |
| UNHEARD | Such as was never known before (with "of"). |
