Abominable, odious (10)
I believe the answer is:
detestable
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">abominable</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that abominable can be written as detestable)</span><br/ ><br/ >'<span class="explanation-format__original">odious</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that odious can be written as detestable)</span><br/ ><br/ ></span>
(Other definitions for detestable that I've seen before include "Abhorrent" , "Loathsome" .)