Source : Webster's Revised Unabridged Dictionary (1913)

Lawless \Law"less\, a.
   1. Contrary to, or unauthorized by, law; illegal; as, a
      lawless claim.

            He needs no indirect nor lawless course. --Shak.

   2. Not subject to, or restrained by, the law of morality or
      of society; as, lawless men or behavior.

   3. Not subject to the laws of nature; uncontrolled.

            Or, meteorlike, flame lawless through the void.
                                                  --Pope.
      -- {Law"less*ly}, adv. -- {Law"less*ness}, n.

Source : WordNet®

lawless
     adj 1: without law or control; "the system is economically
            inefficient and politically anarchic" [syn: {anarchic},
             {anarchical}]
     2: lax in enforcing laws; "an open town" [syn: {open}, {wide-open}]
     3: disobedient to or defiant of law; "lawless bands roaming the
        plains" [syn: {outlaw(a)}]