| 2025-05-11 | Package drop-off sites: Abbr. |
| 2019-01-29 | Like all natural numbers: Abbr. |
| 2018-09-17 | Like one end of a battery: Abbr. |
| 2017-10-05 | > 0: Abbr. |
| 2017-03-29 | +: Abbr. |
| 2016-06-25 | Municipal mainstays: Abbr. |
| 2015-06-16 | +: Abbr. |
| 2014-10-20 | Opposite of neg. |
| 2014-02-12 | 2B, SS or CF |
| 2012-09-30 | Like one battery terminal: Abbr. |
| 2010-06-05 | Getters of letters: Abbr. |
| 2010-06-01 | Blood-type abbr. |
| 2008-09-25 | Like some poles: Abbr. |
| 2007-10-06 | On the plus side?: Abbr. |
| 2007-03-03 | Terminal abbr. |
| 2006-10-20 | Letter getters: Abbr. |
| 2005-07-03 | Like an anode: Abbr. |
| 2004-07-28 | Med. test result |
| 2003-05-04 | +: Abbr. |
| 2002-10-13 | Like one terminal of a battery: Abbr. |
| 2000-08-23 | Shortstop, e.g.: Abbr. |
| 1999-12-12 | Like some terminals: Abbr. |
| 1999-10-02 | Dropoff points: Abbr. |
| 1999-01-26 | Not neg. |
| 1997-11-03 | Mailing ctrs. |
| 1996-11-21 | Certain battery term. |
| 1995-06-16 | Neg.'s counterpart |
| 1995-02-12 | What "+" means: Abbr. |