Abominable (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abominable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for heinous that I've seen before include "Wicked (offence)" , "Loathsome" , "Diabolic" , "Awful" , "Extremely wicked" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abominable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that abominable can be written as atrocious)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for atrocious that I've seen before include "Appalling" , "Terrible" , "Awful" , "Extremely bad" , "Horrifyingly wicked" .)