Uncontrolled (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">uncontrolled</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for lawless that I've seen before include "disobedient" , "Ungoverned" , "insubordinate" , "Anarchy" , "Anarchic, without any controls" .)
(Other definitions for rampant that I've seen before include "Unrestrained, as animal may be in heraldry" , "Spreading unchecked" , "Rife" , "Fulminate" , "Unchecked - standing up on hind legs" .)