Historical clue formulations

• Decline — 2026-09-24
• Decrease — 2025-04-28
• Fall off — 2025-04-12
• Wax off? — 2025-03-07
• Dwindle — 2024-08-18
• Taper off — 2023-09-18
• Decline — 2023-09-14
• Become less brilliant — 2023-04-01
• Diminish — 2022-09-07
• Get smaller, as the moon — 2022-03-28
• Decrease in size, as the moon — 2021-11-01
• Die out — 2021-10-09
• A full moon will do this — 2021-03-07
• Wax off? — 2020-09-19
• Lessen in power — 2020-06-21
• Stop waxing, say — 2019-08-16
• Go down, in a way — 2019-03-21
• Decline — 2018-07-09
• Start to go out — 2017-12-08
• Go down — 2017-09-15
• Ebb — 2017-01-22
• Become less full, as the moon — 2016-02-29
• Decline, as in popularity — 2015-09-07
• Die down — 2015-08-26
• Die down — 2015-01-18
• Lose strength — 2014-11-23
• Decline — 2014-10-01
• Draw to an end — 2014-01-18
• Fade — 2013-10-29
• Lose oomph — 2013-05-15
• Grow dim — 2013-03-13
• Ebb — 2012-05-30
• Diminish — 2011-05-29
• Ebb — 2010-09-28
• What moons do after full moons — 2010-06-28
• Become less bright, as the moon — 2010-02-15
• Drop off — 2009-02-21
• Grow dim — 2009-02-11
• Ebb — 2008-12-24
• Decrease, as the moon — 2008-11-03
• Draw to a close — 2007-11-02
• Decrease gradually — 2007-09-03
• Flag — 2007-03-10
• Fall off — 2006-05-21
• Drop off — 2006-02-25
• Lose power — 2005-10-13
• Decrease gradually — 2004-12-13
• Diminish — 2004-06-30
• Draw to a close — 2004-04-23
• Decline — 2004-02-01