Rascally (7)
I believe the answer is:
roguish
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rascally</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that rascally can be written as roguish)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for roguish that I've seen before include "Mischievous; unprincipled" , "I gush or change to be waggish" , "Dishonest - mischievous" , "Playfully mischievous" , "reprobate" .)