| 2026-08-24 | Enemy |
| 2026-07-20 | Opponent |
| 2026-07-03 | Opposite side |
| 2026-01-21 | Friend or ___ |
| 2025-11-27 | Thanos, to the Avengers |
| 2025-04-24 | One of "them" |
| 2025-03-12 | Nemesis |
| 2025-02-02 | Adversary |
| 2025-01-23 | One might be worthy or formidable |
| 2024-02-11 | Hostile party |
| 2023-12-24 | Mr. Potter vis-à-vis George Bailey, in "It's a Wonderful Life" |
| 2023-10-22 | Antagonist |
| 2023-06-03 | Other side |
| 2022-10-11 | Enemy |
| 2022-08-04 | One of "them" |
| 2022-04-23 | Other side |
| 2022-02-14 | "Friend or ___?" |
| 2022-01-23 | Adversary |
| 2021-12-06 | Dr. No, to James Bond |
| 2021-10-21 | Hostile party |
| 2021-09-19 | Opponent |
| 2021-03-07 | Antagonist |
| 2020-11-11 | Thanos, to the Avengers |
| 2020-10-22 | Opposition |
| 2020-06-18 | One of "them" |
| 2020-04-30 | Challenger |
| 2020-04-26 | Adversary |
| 2020-04-03 | A Stark, to a Lannister, on "Game of Thrones" |
| 2018-09-30 | Antagonist |
| 2018-05-27 | Unfriend? |
| 2017-12-17 | Antagonist |
| 2017-11-12 | Opposition |
| 2017-10-27 | Other side |
| 2017-10-22 | Rival |
| 2017-09-26 | Captain Hook, to Peter Pan |
| 2017-07-27 | Other side |
| 2017-07-16 | One challenged by a sentry |
| 2017-07-13 | Hostile |
| 2017-06-06 | Friend's opposite |
| 2017-04-16 | Moriarty, to Holmes |
| 2017-03-20 | "Who goes there, friend or ___?" |
| 2017-03-12 | Auric Goldfinger, to James Bond |
| 2016-10-05 | 26-Across, to Maxwell Smart |
| 2016-08-17 | Adversary |
| 2016-08-07 | Friend's opposite |
| 2016-08-02 | No friend |
| 2016-06-08 | Moriarty, to Holmes |
| 2016-02-17 | One alternative of a sentry's challenge |
| 2016-01-25 | Enemy |
| 2015-12-18 | Philistines, to the Israelites |
| 2015-12-17 | Moriarty, to Holmes |
| 2015-11-05 | "Them" |
| 2015-03-30 | The Red Baron, to Snoopy |
| 2014-09-25 | Mothra or MUTO, to Godzilla |
| 2014-09-11 | Archaic "Curses!" |
| 2014-03-27 | Persians, to the 300, e.g. |
| 2014-02-28 | Ill-wisher |
| 2013-11-10 | Other side |
| 2013-09-17 | Adversary |
| 2013-05-08 | Opposition |
| 2013-04-04 | One against another |
| 2013-02-16 | Goliath, e.g. |
| 2011-07-25 | Enemy |
| 2010-11-26 | One to counter |
| 2010-11-12 | Scarecrow, to Batman |
| 2010-10-13 | The other army |
| 2010-09-07 | Axis, once |
| 2010-03-08 | Enemy |
| 2010-02-26 | One against another |
| 2010-01-09 | One to go up against |
| 2010-01-05 | A McCoy, to a Hatfield |
| 2010-01-03 | Bizarro, to Superman |
| 2009-06-30 | "Friend or ___?" |
| 2009-04-03 | Moriarty, to Holmes |
| 2008-06-08 | Red, e.g., once |
| 2007-04-23 | Enemy |
| 2007-02-25 | The Axis, once |
| 2006-07-21 | "This is a Montague, our ___": "Romeo and Juliet" |
| 2006-07-20 | Mailman, to a canine? |
| 2005-03-15 | Antagonist |
| 2004-05-13 | Attacker |
| 2004-03-28 | Other side |
| 2003-10-14 | Friend's opposite |
| 2003-08-12 | Combatant |
| 2003-02-23 | Attacker |
| 2003-02-09 | Other side |
| 2002-06-12 | Catwoman, to Batman |
| 2002-06-03 | Goliath, to David, e.g. |
| 2002-04-08 | Opponent |
| 2002-02-21 | Adversary |
| 2002-02-06 | "Them" |
| 2001-10-24 | Adversary |
| 2000-07-25 | Any Hatfield, to a McCoy |
| 2000-04-02 | Dangerous answer to a sentry |
| 2000-01-04 | Hostile force |
| 1998-10-04 | Nemesis |
| 1997-08-04 | Antagonist |
| 1997-04-14 | Enemy |
| 1996-11-05 | Opponent |
| 1996-10-28 | Enemy |
| 1996-07-12 | Attacker |
| 1995-07-17 | Enemy |
| 1995-04-20 | Challenger |
| 1994-12-06 | Adversary |
| 1994-07-31 | Adversary |
| 1994-07-12 | Enemy |
| 1994-04-17 | "Friend or _____?" |
| 1994-03-21 | Opponent |
| 1994-03-18 | Ill-wisher |
| 1994-01-24 | Lee to Grant |
| 1993-12-31 | Giant's third word |