WordWeb Online

1. Poorly conceived or thought out
   - ill-conceived, misbegotten
    
2. Wrong in e.g. opinion or judgment
   "well-meaning but misguided teachers";
   - mistaken

1. Lead someone in the wrong direction or give someone wrong directions
   "The pedestrian misguided the out-of-town driver";
   - mislead, misdirect, lead astray
    
2. Give bad advice to
   - misadvise

See also: daft [Brit, informal], dumb, foolish, imbecile, imbecilic, stupid, wrong

Type of: advise, conduct, counsel, direct, guide, lead, rede [archaic], take

Encyclopedia: Misguided