misguided
/mɪsˈɡaɪdɪd/
adjective
- Based on wrong or foolish ideas; not sensible or correct.
- The charity's misguided policies ended up hurting the people they wanted to help.
- She had a misguided belief that working 80 hours a week would make her happy.
- His misguided attempt to fix the car only made the problem worse.