| Clue | Source | Date |
|---|---|---|
| More grey and overcast (8) | ||
| More overcast | The Times Concise | 09 Jun 2021 |
| Processed crude oil becomes more murky | The Telegraph Cryptic | 29 May 2020 |
| Articulate German girl perhaps less bright? | The Telegraph Toughie | 30 Jul 2019 |
| More overcast | Newsday | 09 Jul 2019 |
| Less transparent or clear, liquid say | Irish Times Simplex | 03 Mar 2018 |
| Not as transparent |