| 2026-07-07 | Combustible rock |
| 2026-05-27 | Steam engine need |
| 2025-07-28 | Christmas stocking filler for a naughty child |
| 2025-01-08 | Shade of black |
| 2024-12-22 | Rhyme for "soul" in "Frosty the Snowman" |
| 2024-11-20 | Declining industry of Appalachia |
| 2024-08-30 | Traditional Scottish New Year's gift, representing warmth for the year to come |
| 2024-04-22 | *Nonrenewable energy source … and the start of an eight-step word ladder |
| 2023-04-25 | Combustible rock |
| 2022-07-18 | What Santa gives naughty children |
| 2021-10-06 | One source of global warming |
| 2020-09-16 | Rock around the Christmas tree? |
| 2019-07-08 | Unwanted stocking stuffer |
| 2019-06-04 | West Virginia resource |
| 2019-03-19 | Santa's "gift" for bad children |
| 2018-09-27 | Kind of black |
| 2018-01-03 | Eyes for Frosty the Snowman |
| 2017-10-23 | Anthracite, e.g. |
| 2017-10-17 | Fuel that contributes to global warming |
| 2016-09-08 | Jet |
| 2016-08-15 | Big product of Kentucky |
| 2016-06-12 | Stocking stuffer |
| 2015-07-16 | Shade of black |
| 2015-04-22 | West Virginia export |
| 2015-01-25 | ___ black |
| 2014-09-01 | Fossil fuel |
| 2013-07-02 | Either of Frosty the Snowman's eyes |
| 2013-05-06 | Unwanted stocking stuffer |
| 2013-01-17 | Kentucky export |
| 2012-09-04 | ___-black |
| 2012-08-27 | Fossil fuel |
| 2011-10-25 | Bad child's stocking filler |
| 2011-01-09 | Unwelcome stocking stuffer |
| 2010-08-10 | Mine find |
| 2010-08-05 | Kentucky resource |
| 2010-02-13 | Big Utah export |
| 2009-11-13 | Seamy stuff? |
| 2009-01-11 | West Virginia resource |
| 2008-04-30 | "Present" in bad kids' Christmas stockings |
| 2007-06-04 | Santa's "present" for a naughty child |
| 2007-05-06 | Epitome of blackness |
| 2007-02-04 | Shade of black |
| 2006-09-26 | Fuel that's shoveled |
| 2006-07-06 | Shade of black |
| 2005-12-28 | Symbol of blackness |
| 2004-09-13 | Fuel from a mine |
| 2004-03-26 | Scuttle contents |
| 2003-07-23 | Scuttle filler |
| 2002-08-27 | Kentucky resource |
| 2002-03-12 | Brat's stocking stuffer |
| 2001-10-16 | Locomotive fuel |
| 2001-05-04 | Scuttle's contents |
| 2001-04-01 | Shade of black |
| 2000-06-19 | Anthracite, e.g. |
| 1999-12-02 | Black shade |
| 1999-07-22 | Furnace fodder |
| 1998-09-16 | Shade of black |
| 1997-12-14 | Christmas stocking item |
| 1997-09-25 | Kind of tar |
| 1997-09-02 | It's taken out at the seams |
| 1997-06-27 | Polish export |
| 1997-04-10 | Black shade |
| 1997-03-06 | Brat's Christmas present |
| 1996-03-25 | West Virginia export |
| 1995-10-10 | Fuel for old locomotives |
| 1995-06-28 | Anthracite |
| 1995-04-24 | Newcastle's pride |
| 1995-04-11 | Fossil fuel |
| 1995-04-02 | It can be gotten out of bed |
| 1995-01-09 | Naughty child's Christmas gift |
| 1994-09-11 | Welsh product |
| 1994-07-08 | Scuttle load |
| 1994-07-03 | Ember |
| 1994-05-30 | West Virginia resource |