| Clue | Source | Date |
|---|---|---|
| A difficult person to deal with. Brazil? (1,4,3,2,5) | ||
| A difficult problem | ||
| Brazil, for example, can be a difficult opponent (1,4,3,2,5) | Irish Times Crosaire | 02 Sep 2020 |
| Difficult puzzle, e.g | Universal | 20 Aug 2016 |
| Difficult puzzle, e.g. | ||
| Difficult person to influence in Brazil? (1,4,3,2,5) | Irish Times Crosaire | 13 Aug 2015 |
| Something baffling |