Inconsiderate, harsh (6)
I believe the answer is:
unkind
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">inconsiderate</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">harsh</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for unkind that I've seen before include "beastly to others?" , "Not gentle or considerate" , "Thoughtless -- inhumane" , "Harsh, pitiless" , "Unsympathetic or cruel" .)