| 2024-04-04 | Like the German article "das" |
| 2024-02-11 | Without gender, in Latin |
| 2021-09-02 | Fix, in a way |
| 2020-04-12 | Render ineffective |
| 2020-03-18 | Neither feminine nor masculine |
| 2019-12-01 | Make litter-proof? |
| 2018-05-28 | Spay, e.g. |
| 2017-06-28 | Like "it," grammatically |
| 2014-03-15 | Prevent from having anything? |
| 2014-01-31 | Fix |
| 2013-10-27 | Fix |
| 2012-03-25 | Render unproductive? |
| 2009-10-16 | Fix |
| 2009-09-26 | Like it |
| 2008-05-11 | Fix |
| 2007-08-30 | Sterile, in a way |
| 2006-02-08 | Spay |
| 2005-12-20 | It's gender |
| 2003-11-22 | Like worker bees |
| 2001-04-19 | Like worker bees |
| 2000-11-23 | Like a worker bee |
| 2000-02-13 | It's gender |
| 1998-12-13 | Like "it" |
| 1995-08-12 | Asexual |
| 1995-01-01 | What it is |
| 1994-12-21 | Render impotent |