| 2026-02-18 | Like the accents in "déclassé" |
| 2025-01-26 | Sharp |
| 2023-08-20 | Sharp |
| 2023-04-15 | Sharp |
| 2022-10-03 | Less than 90º, as an angle |
| 2022-09-27 | Like at least two angles of every triangle |
| 2022-03-23 | Less than right |
| 2022-02-15 | Less than 90º |
| 2021-09-18 | Not quite right |
| 2021-08-29 | Sharp |
| 2021-03-03 | Sharp |
| 2021-01-11 | Like an angle less than 90° |
| 2020-09-03 | Not quite right? |
| 2020-06-17 | Sharp |
| 2020-06-01 | Less than 90°, as an angle |
| 2019-03-31 | Sharp |
| 2019-03-27 | Less than right |
| 2019-03-18 | Sharp, as pain |
| 2018-09-04 | Severe but short, as an illness |
| 2018-06-01 | Sharp |
| 2018-02-28 | Less than 90° |
| 2018-01-21 | Below 90° |
| 2017-05-08 | Less than 90° |
| 2016-09-20 | Severe and short, as an illness |
| 2016-08-08 | Like the accent in "é" |
| 2016-05-12 | Like two angles in a right triangle |
| 2016-03-07 | Sharper than 90° |
| 2014-02-09 | Less than right |
| 2013-01-21 | Sharper than 90 degrees |
| 2012-11-21 | ___ accent, mark used symmetrically six times in this puzzle's solution |
| 2011-11-20 | Like some accents |
| 2011-07-04 | Less than 90°, as an angle |
| 2011-02-19 | Penetrating |
| 2011-01-04 | Like a 45° or 60° angle |
| 2010-09-28 | Sharp |
| 2010-08-31 | Less than 90 degrees |
| 2010-08-11 | Sharp |
| 2010-06-11 | It's never right |
| 2008-09-10 | Obtuse's opposite |
| 2008-05-12 | Less than 90 degrees |
| 2008-04-25 | It's never right |
| 2008-03-23 | Sharp |
| 2007-05-24 | Severe |
| 2006-10-01 | Less than right? |
| 2006-07-23 | Not quite right? |
| 2005-09-04 | Intense |
| 2005-05-12 | Well-tuned |
| 2004-02-11 | Obtuse's opposite |
| 2003-10-15 | Sharp as a tack |
| 2003-07-20 | Less than right |
| 2002-11-17 | Life-threatening |
| 2002-05-20 | Quite sharp |
| 2002-02-01 | Like some French accents |
| 2001-10-19 | Like some accents |
| 2001-09-30 | Keen |
| 2001-08-23 | Like some triangles |
| 2001-05-14 | Urgent |
| 2001-04-25 | Not chronic |
| 2000-02-21 | Sharp |
| 2000-02-05 | Very perceptive |
| 2000-01-20 | Less than right? |
| 1999-12-09 | Urgent |
| 1998-07-25 | Pressing |
| 1998-04-16 | Critical |
| 1998-03-31 | Sharp |
| 1998-03-17 | Sharp as a tack |
| 1998-01-08 | Angle type |
| 1997-11-28 | Critical |
| 1997-05-30 | Grave |
| 1997-03-02 | Not chronic |
| 1997-02-13 | Intense |
| 1996-10-02 | Critical |
| 1996-09-23 | Critical, as a shortage |
| 1996-08-19 | Less than 90 (degrees) |
| 1996-02-01 | Keen |
| 1995-08-26 | Like some accents |
| 1995-07-30 | More than serious |
| 1995-04-22 | Deep-felt |
| 1995-04-02 | Crucial |
| 1995-02-09 | Critical |
| 1994-05-16 | Not obtuse |
| 1994-03-30 | Dire |
| 1994-03-28 | Sharp |