| Clue | Source | Date |
|---|---|---|
| Ill-tempered climber glaring | ||
| Provider of fruit lacking taste for tart | The Telegraph Toughie | 19 Jul 2022 |
| Climber glaring, appearing quite sour | ||
| Sour climber given decoration Queen ultimately removed | The Times Cryptic | 05 Sep 2016 |
| Having a sour disposition | The Telegraph General Knowledge | 22 Nov 2015 |
| Extremely sour |