Historical clue formulations

• Like solving crosswords — 2021-03-10
• Rational — 2019-03-22
• Deranged, in slang — 2017-11-12
• Bonkers — 2015-05-16
• Bonkers — 2014-10-16
• Bonkers — 2014-07-13
• Daft — 2012-06-29
• Word with note or case — 2011-11-20
• Temporary lapse of memory — 2010-10-21
• A little nuts — 2009-07-23
• Bananas — 2007-12-01
• Kind of health — 2003-04-20
• Kind of block — 2002-10-27
• Crazy, slangily — 2001-04-01
• Telepathic — 1997-02-09
• Insane, slangily — 1995-09-06
• Kind of anguish — 1994-07-21