errant
I
adjective
aberrant, amiss, astray, at fault, awry, deviant, deviating, deviatory, erring, erroneous, fallacious, faultful, faulty, imperfect, incorrect, misdirected, mistaken, not right, peccant, wrong
II
index
astray, blameful, blameworthy, deviant, devious, discursive (digressive), fallible, faulty, truant
Burton's Legal Thesaurus.
William C. Burton.
2006