Definition: wrong in e.g. opinion or judgment
Usage: well-meaning but misguided teachers; a mistaken belief; mistaken identity
Similar words: wrong
Definition: contrary to conscience or morality or law
Usage: it is wrong for the rich to take advantage of the poor; cheating is wrong; it is wrong to lie
Synonyms: misguided, ill-conceived
Definition: poorly conceived or thought out
Usage: an ill-conceived plan to take over the company
Similar words: foolish
Definition: devoid of good sense or judgment
Usage: foolish remarks; a foolish decision