| Clue | Source | Date |
|---|---|---|
| More treacherous European dropped by more deceitful | The Telegraph Toughie | 09 Sep 2021 |
| . Winter traveller goes around North America, more treacherous | ||
| More sinuous or curvy | Universal | 10 Aug 2017 |
| More sinuous or curvy | ||
| Having more sharp turns | USA Today | 19 Apr 2016 |
| With more curves | ||
| More like a mountain road | ||
| More winding, as a path | ||
| More treacherous | ||
| More sinuous | ||
| More sinuous | ||
| More sinuous | ||
| More treacherous | ||
| More wriggly. | ||
| More treacherous. | ||
| More sinuous. | ||
| Slyer. |