Cunning and deceitful (3)
I believe the answer is:
sly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cunning and deceitful</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sly that I've seen before include "Artful" , "Sneaky" , "Cunning, deceitful" , "Wily, shifty" , "Cunning, foxy" .)