Historical clue formulations

• Doldrums — 2025-05-18
• Melancholy, with "the" — 2023-08-03
• Bored feeling, with "the" — 2018-12-24
• Monday feeling, with "the" — 2018-05-10
• Sense of tedium, with "the" — 2009-12-07
• Doldrums — 2007-11-25
• Malaise, with "the" — 2002-10-16
• Ennui, with "the" — 2001-12-23
• Depression — 2001-09-23
• Ennui — 2000-03-17
• Despondency, with "the" — 1998-12-24
• Down-in-the-dumps feeling, with "the" — 1998-08-31
• Ennui, with "the" — 1996-12-04