DEEPEN
| Date | Clue |
|---|---|
| 2023-06-15 | Get more complex, as a mystery |
| 2022-03-23 | Intensify |
| 2022-01-16 | Become more complicated, say |
| 2021-10-02 | Intensify |
| 2018-01-20 | Grow, as sympathies |
| 2017-01-26 | Intensify |
| 2017-01-04 | Intensify |
| 2013-12-18 | Dredge, say |
| 2013-05-13 | Become more intense |
| 2012-10-22 | Get worse, as losses |
| 2009-12-13 | Intensify |
| 2004-04-23 | Excavate |
| 2002-03-03 | Intensify |
| 2001-12-19 | Dredge |
| 1996-10-19 | Grow more intense |
| 1996-09-27 | Become more serious |
| 1996-04-13 | Excavate |
| 1995-02-05 | Intensify |