How to Use fool's errand in a Sentence

fool's errand

noun

• To Rothschild, that is a fool's errand.
  — Shannon Bond, NPR, 15 Nov. 2025
• Still, McCarthy is well aware that trying to prevent all injuries is a fool's errand.
  — CBS News, 29 July 2026
• How to get a lower rate Berner told CNBC Select that timing the market is a fool's errand.
  — Kelsey Neubauer, CNBC, 8 July 2026
• Erasing history is a fool's errand done in the service of trying to flatten the past's complexity to serve goals other than illuminating the richness, the contradictions, the triumphs, and the tragedies of the American past.
  — James Bickerton, MSNBC Newsweek, 13 Aug. 2025
• Those immediate prognostications, however, are often fool's errands.
  — Danny Davis, Austin American Statesman, 10 Apr. 2026