| 2026-02-22 | Leader of the pack |
| 2025-11-08 | See 41-Across |
| 2024-12-29 | Early phase of software development |
| 2024-07-23 | Dominant wolf in a pack |
| 2024-01-03 | Leader of Argos? |
| 2023-08-12 | #1 |
| 2023-07-30 | ___ Centauri |
| 2023-03-10 | Dominant |
| 2022-12-11 | Leader of the pack |
| 2022-09-16 | Tending to dominate |
| 2022-08-25 | Greek letter (definitely not the last one) |
| 2022-07-25 | First Greek letter |
| 2022-07-03 | A as in Agamemnon |
| 2022-05-25 | Top dog |
| 2022-05-21 | Early software version |
| 2022-04-17 | A Greek letter? |
| 2021-09-18 | Leading character |
| 2021-05-29 | First of a series |
| 2021-05-18 | Pack leader |
| 2021-03-09 | ___ wolf (pack leader) |
| 2020-08-27 | Generation ___ (cohort born in the early 2010s) |
| 2020-08-09 | Silverback gorilla, e.g. |
| 2020-05-25 | ___ : first :: omega : last |
| 2020-05-13 | Socially dominant |
| 2020-05-07 | #1 of 24 |
| 2020-02-20 | ___ dog |
| 2020-01-13 | Letter before beta |
| 2019-09-11 | Top dog |
| 2019-08-06 | Leader of Athens? |
| 2019-04-05 | Series opener |
| 2019-02-20 | ___ male |
| 2018-12-10 | Leader of the pack |
| 2018-03-07 | Top dog |
| 2017-10-23 | A, as in Aristotle |
| 2017-09-18 | Start or end of the Greek spelling of "Athena" |
| 2017-05-11 | Leading man? |
| 2017-01-12 | Leader of the pack |
| 2016-12-12 | Omega's opposite, alphabetically |
| 2015-09-24 | Head dog |
| 2015-04-13 | "A" as in Athens |
| 2015-01-12 | Beta preceder |
| 2015-01-09 | Angular acceleration symbol |
| 2014-03-02 | Leader of the pack |
| 2013-11-10 | Dominant |
| 2013-03-24 | Greek vowel |
| 2012-10-12 | Leader of the pack |
| 2011-07-17 | With 11-Down, leaders |
| 2010-12-17 | Series opener |
| 2009-07-23 | Leader of the pack |
| 2009-07-01 | Greek leader? |
| 2009-03-18 | Leader of the pack |
| 2009-01-04 | A |
| 2008-10-13 | Beta preceder |
| 2006-02-19 | Part of many stars' names |
| 2006-01-15 | Kind of star |
| 2005-09-16 | Leader of the pack? |
| 2005-04-03 | First of a series |
| 2005-03-11 | A as in Archimedes |
| 2004-09-16 | Dominant |
| 2004-09-02 | Beginning |
| 2004-06-17 | Main male |
| 2004-06-04 | Letter opener? |
| 2004-05-10 | ___ male (top dog) |
| 2004-03-15 | Omega's opposite |
| 2003-11-22 | Highest-ranking, in some hierarchies |
| 2002-10-04 | Top dog |
| 2002-07-01 | Brightest star in a constellation |
| 2002-03-24 | Part of many stars' names |
| 2002-02-11 | ___, beta, gamma ... |
| 2002-01-12 | Numeric lead-in |
| 2001-11-13 | ___ Phi Omega |
| 2001-10-02 | First letter |
| 2001-09-05 | Kind of male |
| 2001-08-01 | Greek leader |
| 2000-01-02 | Series opener |
| 1999-07-31 | Primary |
| 1998-11-17 | Beginning |
| 1998-02-07 | Head dog |
| 1995-11-26 | The beginning |
| 1995-10-26 | ____ particle |
| 1995-07-24 | Omega's opposite |
| 1994-10-20 | Capital of Attica? |