Disesteem; rudeness (10)
I believe the answer is:
disrespect
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">disesteem</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that disesteem can be written as disrespect)</span><br/ ><br/ >'<span class="explanation-format__original">rudeness</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that rudeness can be written as disrespect)</span><br/ ><br/ ></span>
(Other definitions for disrespect that I've seen before include "Discourtesy" , "Lack of reverence" , "Rudeness" , "Contempt" , "Lack of courtesy" .)