Historical clue formulations

• Except if — 2025-03-02
• Word in an ultimatum — 2022-10-29
• "Wait, what if ..." — 2022-03-15
• The Lorax's final word — 2021-06-23
• Word sometimes followed, mysteriously, by an ellipsis — 2021-01-02
• "Hold on, I just might have a good solution ..." — 2016-03-23
• Except when — 2013-05-12
• Hedge word — 2008-09-19
• Except if — 2004-03-29
• Except if — 2001-11-22
• Ultimatum word — 1999-05-19
• Word of qualification — 1998-05-05
• But — 1997-09-18
• Proviso word — 1996-05-23