CAUSTIC
| Date | Clue |
|---|---|
| 2018-07-03 | Biting, as humor |
| 2015-08-24 | Acid, as criticism |
| 2010-06-06 | Biting |
| 2009-06-06 | Acid |
| 1995-04-18 | Severely critical |
| 1994-12-01 | That's a lye! |
| Date | Clue |
|---|---|
| 2018-07-03 | Biting, as humor |
| 2015-08-24 | Acid, as criticism |
| 2010-06-06 | Biting |
| 2009-06-06 | Acid |
| 1995-04-18 | Severely critical |
| 1994-12-01 | That's a lye! |