OILIER
| Date | Clue |
|---|---|
| 2021-07-08 | More slick, in a way |
| 2021-05-17 | Slicker |
| 2021-03-24 | More slick |
| 2011-12-01 | More unctuous |
| 2009-09-28 | More greasy |
| 2007-08-09 | More smarmy |
| 2003-05-07 | More unctuous |
| 2000-10-15 | Superior in lubricity |
| 1999-06-16 | More unctuous |
| 1998-05-17 | More smooth |
| 1997-11-19 | More slick |
| 1993-12-12 | Slicker |