[adjective] - unreasonable or unsuitable because of being based on a bad judgment of a situation or on information or beliefs that are wrongHe was shot as he made a well-intentioned but misguided attempt to stop the robbers single-handed.The company is blaming its disappointing performance on a misguided business plan.
MISGUIDED
Meaning of MISGUIDED in English
Cambridge English vocab. Кембриджский английский словарь. 2012