Historical clue formulations

• What a bad assistant might be — 2025-04-17
• Useless — 2025-03-30
• Useless — 2022-12-04
• Totally useless — 2021-05-27
• Totally useless — 2020-11-14
• Utterly useless — 2020-01-05
• Utterly useless — 2019-06-30
• Useless — 2017-05-12
• Totally useless — 2014-09-17
• Totally useless — 2013-10-16
• Worthless, as an assistant — 2012-08-23
• Useless — 2012-07-02
• Unavailing — 2001-05-10