adjective

erring or straying from the accepted course or standards.

an errant husband coming back from a night on the tiles

offending,guilty,culpable,misbehaving,delinquent,lawless,lawbreaking,criminal,transgressing,aberrant,deviant,erring,sinning,mischievous,badly behaved,troublesome,difficult,unmanageable,unruly,disobedient,uncontrollable,out of control