| 2026-04-14 | Safe place to stand on a diamond |
| 2025-11-23 | Corner of a diamond |
| 2025-10-25 | Core supporters |
| 2025-09-09 | First, second or third |
| 2025-07-11 | Fundamental unit in logarithmic equations |
| 2025-05-22 | Opposite of 1-Across |
| 2025-04-21 | One of four on a diamond |
| 2025-01-08 | Home plate is the "fourth" one |
| 2024-01-02 | Foundation |
| 2023-10-21 | Foundation |
| 2023-09-07 | Two, for the binary number system |
| 2023-08-13 | The "x" in x2 |
| 2023-05-24 | Headquarters |
| 2022-11-12 | Headquarters |
| 2022-07-24 | Bag for a diamond |
| 2022-01-25 | It turns red litmus paper blue |
| 2021-11-07 | Command center |
| 2021-07-25 | Reliable supporters |
| 2021-02-16 | Acid's opposite |
| 2020-09-29 | It might be stolen in full view |
| 2020-03-31 | Core political supporters |
| 2019-06-23 | Politician's core support |
| 2019-06-23 | It's halfway around a diamond |
| 2019-01-15 | Acid's opposite |
| 2018-12-30 | One's most ardent supporters |
| 2018-11-23 | Core political support |
| 2018-08-26 | Lead-in to line |
| 2018-08-14 | First, second or third |
| 2018-07-09 | Military post |
| 2018-01-16 | Word before metal or instinct |
| 2017-06-10 | Runner's place |
| 2017-04-13 | Ignoble |
| 2016-04-24 | Part of a trophy |
| 2016-04-16 | ___ 10 |
| 2015-10-28 | Political group unlikely to be swayed |
| 2015-08-21 | Place to lead a private life? |
| 2015-08-01 | Plinth, for a pillar |
| 2015-05-21 | The "5" of 5^2 |
| 2015-02-10 | Two, for binary arithmetic |
| 2014-12-23 | Diamond bag |
| 2014-09-01 | Sea of Tranquillity, for the Apollo 11 astronauts |
| 2014-02-22 | Like metals used by 1-Across |
| 2014-01-08 | Location in a game of tag |
| 2012-10-14 | General headquarters? |
| 2012-05-08 | First, second, third or home |
| 2012-03-14 | Acid neutralizer |
| 2011-02-14 | First, second, third or home |
| 2011-01-25 | Corner of a diamond |
| 2010-12-01 | It's high on the pH scale |
| 2010-09-06 | First, second, third or home |
| 2010-05-20 | ___ 10 |
| 2010-05-15 | Runner's place |
| 2010-01-12 | Hard-core followers, in politics |
| 2009-12-14 | First, second or third, on a diamond |
| 2009-12-06 | Dishonorable |
| 2009-09-08 | Military site |
| 2009-09-01 | First, second, third or home |
| 2009-04-25 | Private residence? |
| 2009-03-17 | Contemptible |
| 2009-01-06 | Barracks locale |
| 2008-10-27 | First, second, third or home |
| 2008-08-03 | It's frequently stolen |
| 2008-03-18 | When stolen, it stays in place |
| 2007-12-08 | Mean |
| 2006-07-13 | Bottom |
| 2005-11-20 | Barracks locale |
| 2005-11-10 | Depraved |
| 2005-08-10 | Pyramid part |
| 2004-12-16 | Kind of coat |
| 2004-10-30 | Resting place |
| 2004-08-28 | Kind of pay or path |
| 2004-05-16 | Headquarters |
| 2003-08-31 | Slider's goal |
| 2002-09-18 | Corner of a diamond |
| 2002-03-31 | Private area? |
| 2002-02-17 | First, second or third |
| 2002-01-17 | See 52-Down |
| 2001-07-22 | Kind of metal |
| 2001-06-29 | See 13-Down |
| 2000-08-08 | It may react with an acid |
| 2000-06-29 | Pedestal |
| 2000-05-17 | Item often stolen yet left where it is |
| 2000-05-11 | Barracks site |
| 1999-06-02 | It may be stolen |
| 1998-05-04 | Corner of a diamond |
| 1997-12-28 | Kind of path or pay |
| 1997-07-31 | Cornerstone |
| 1997-07-04 | Safari camp |
| 1997-03-03 | Pedestal |
| 1997-01-02 | First or second, e.g. |
| 1996-07-28 | Starting point |
| 1996-02-27 | Morally low |
| 1996-02-04 | Low |
| 1996-01-15 | Military HQ |
| 1995-12-22 | Mean |
| 1995-10-30 | Diamond corner |
| 1995-06-29 | Pyramid part |
| 1995-05-28 | Groundwork |
| 1995-05-14 | Hide-and-seek spot |
| 1995-04-23 | Air Force facility |
| 1994-07-06 | Headquarters |
| 1994-01-10 | First or home, e.g. |
| 1993-11-29 | Home port |