| Clue | Source | Date |
|---|---|---|
| Freezing over | Wall Street Journal | 14 Jul 2025 |
| Becoming treacherous, as a winter road | LA Times Daily | 31 Aug 2023 |
| Freezing over | Universal | 15 Jun 2019 |
| Freezing over | ||
| Becoming slick, in a way | Wall Street Journal | 22 Nov 2017 |
| Getting slick during winter | ||
| Getting slick | ||
| Freezing | ||
| Getting slippery | ||
| Becoming distant |