| 2025-12-21 | Mentally with it |
| 2025-03-31 | Like good knives and pupils |
| 2023-01-30 | Like aged cheddar |
| 2022-11-30 | Pointy |
| 2021-07-19 | Pointed, say |
| 2020-10-11 | # |
| 2020-04-10 | With 6-Down, acute power of discernment |
| 2020-02-08 | Exactly |
| 2019-02-23 | Spiffy |
| 2017-08-30 | *Pointed ... and the end of the word ladder |
| 2017-05-24 | Not dull |
| 2017-04-05 | Tuned too high |
| 2015-11-18 | Quick-witted |
| 2015-10-13 | Quick on the uptake |
| 2014-02-19 | Quick |
| 2013-05-25 | See 34-Across |
| 2013-05-23 | Quick |
| 2013-05-19 | On the button |
| 2013-03-31 | Exactly |
| 2012-10-12 | On the dot |
| 2009-11-18 | Like some cheddar |
| 2009-08-25 | Quick-witted |
| 2008-07-29 | Quick-witted |
| 2008-07-07 | On the ball or on the dot |
| 2007-12-04 | Keen-edged |
| 2006-11-28 | Mentally acute |
| 2005-08-15 | Opposite of mild, in cheeses |
| 2005-01-27 | Brainy |
| 2004-04-29 | Tacky? |
| 2003-10-26 | With it |
| 2003-09-09 | Like some cheddar |
| 2003-04-01 | Quick-witted |
| 2003-03-31 | Knifelike |
| 2003-02-26 | On the dot |
| 2003-02-18 | Like a tack |
| 2003-01-30 | Like some curves |
| 2002-09-28 | Dashing |
| 2002-09-27 | Quick |
| 2002-05-24 | Quick |
| 2000-01-16 | Tacky? |
| 1999-08-04 | On the dot |
| 1998-09-06 | Sudden |
| 1998-02-02 | Astute |
| 1997-04-08 | High-pitched |
| 1996-09-29 | Tacky? |
| 1994-02-16 | Nattily clad |