broad-minded culpably negligent derelict freethinking inadvertent inattentive laissez-faire latitudinarian lax liberal libertarian libertine loose neglectful neglecting negligent noninterfering off-guard open-minded overly permissive permissive procrastinating relaxed remiss scamping skimping slack slighting slurring tolerant unbigoted uncircumspect unguarded unrigorous unwary unwatchful