Heel (3)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">heel</span>' is the definition.<br/ ><span class="explanation-format__explanation">(both can mean a dishonourable person)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for cad that I've seen before include "Dishonourable man of decadent sort" , "Rogue" , "he's no gent" , "One behaves dishonourably" , "An Englishman who behaves dishonourably, a rotter" .)
(Other definitions for kitten that I've seen before include "Beatrix Potter's Tom, say" , "Young Tom perhaps" , "Little Tom, perhaps" , "Baby rabbit" , "Immature cat" .)