Stern, severe (5)
I believe the answer is:
harsh
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">stern</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">severe</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for harsh that I've seen before include "Strict, unfair" , "Unkind or cruel" , "Rough and disagreeable, maybe of voice" , "Guttural" , "Strident" .)