| 2026-05-16 | Operculum, e.g. |
| 2026-03-30 | Box top |
| 2025-08-21 | Eye covering |
| 2025-07-09 | Top hat? |
| 2025-04-03 | Cover |
| 2025-03-19 | Article of headgear, informally |
| 2025-01-21 | Kettle component |
| 2024-11-03 | What's seemingly impossible to find when storing leftovers |
| 2024-09-19 | Topper |
| 2024-06-13 | Free coffee shop item |
| 2024-01-28 | Container component |
| 2023-11-13 | Tupperware top |
| 2023-09-22 | Tub top |
| 2022-10-16 | Something to pry or twist off |
| 2022-09-07 | Top of a can |
| 2022-09-06 | Tupperware topper |
| 2022-03-21 | Part of the eye that blinks |
| 2022-01-31 | Jar cover |
| 2021-09-27 | Jar topper |
| 2021-06-26 | Jack-in-the-box part |
| 2020-12-25 | Topper |
| 2020-09-07 | What prevents a coffee cup from spilling |
| 2020-06-13 | Ceiling |
| 2019-07-03 | Part of the eye that a fish doesn't have |
| 2019-01-27 | Jack-in-the-box part |
| 2018-09-20 | Top |
| 2018-07-17 | Slang for a hat |
| 2018-06-14 | Pot part |
| 2018-05-26 | Aid in keeping food fresh |
| 2018-05-06 | Hat, informally |
| 2018-02-05 | Pot's cover |
| 2018-01-21 | Tupperware feature |
| 2017-09-13 | Hat, informally |
| 2017-07-05 | Jar top |
| 2017-07-03 | Tupperware top |
| 2017-04-05 | Tupperware topper |
| 2016-09-17 | Top |
| 2016-05-19 | Cap |
| 2015-10-01 | Top |
| 2015-05-18 | Cornea cover |
| 2015-04-12 | Hat, informally |
| 2015-01-25 | Cap |
| 2014-04-25 | Hat, slangily |
| 2014-02-23 | Lash holder |
| 2013-10-05 | Flat top |
| 2013-09-17 | Pot top |
| 2013-06-25 | Tupperware piece |
| 2013-02-17 | Top |
| 2011-11-20 | Cap |
| 2011-01-08 | Operculum |
| 2010-12-11 | Hamper part |
| 2010-05-28 | Topper |
| 2010-02-07 | Ceiling |
| 2009-06-28 | Upper limit |
| 2008-09-24 | Eye protector |
| 2008-08-03 | Top |
| 2007-07-18 | Jar part |
| 2007-05-18 | Top |
| 2007-02-25 | Top |
| 2006-07-02 | Hat, slangily |
| 2006-04-01 | Coffee-to-go necessity |
| 2005-11-19 | Maximum |
| 2005-08-28 | Topper |
| 2005-01-02 | Topper |
| 2004-11-07 | Upper limit |
| 2004-08-01 | Something flipped |
| 2004-06-29 | Pot's top |
| 2004-01-20 | Topper |
| 2003-12-08 | Jar part |
| 2003-07-15 | Coffee-to-go need |
| 2003-06-09 | Can topper |
| 2003-03-02 | Top |
| 2003-01-09 | Top |
| 2002-12-10 | Topper |
| 2002-12-09 | Topper for 60-Across |
| 2002-11-13 | Topper |
| 2002-09-14 | Top |
| 2002-01-03 | Top |
| 2001-02-28 | Something to flip |
| 2001-01-28 | Ceiling |
| 2000-09-03 | Pot top |
| 2000-05-24 | Cap |
| 2000-04-12 | Jar part |
| 1999-06-19 | Maximum |
| 1999-03-28 | Slangy hat |
| 1999-03-21 | Ceiling |
| 1998-10-03 | Cover |
| 1997-10-18 | Restraint |
| 1997-07-13 | Jack-in-the-box part |
| 1997-03-06 | Operculum |
| 1997-01-23 | Topper |
| 1997-01-12 | Cover |
| 1996-11-11 | Pot top |
| 1996-09-01 | Stopper |
| 1995-11-11 | It may be flipped |
| 1995-08-31 | Pot top |
| 1995-07-26 | Slangy hat |
| 1995-01-02 | Cover |
| 1994-11-01 | Jar top |
| 1994-08-16 | Cover |
| 1994-04-24 | Boater or stovepipe |
| 1994-01-13 | Topper |