WordNet sense 1 (lax in enforcing laws):

wide-open

WordNet sense 2 (disobedient to or defiant of law):

outlaw

WordNet sense 3 (contrary to or prohibited by or defiant of law):

unlawful

WordNet sense 4 (without law or control):

anarchic, anarchical

WordNet sense 5 (not being under control; out of control):

uncontrolled