Incorrect, untoward (5)
I believe the answer is:
amiss
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">incorrect</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">untoward</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for amiss that I've seen before include "Fallacious" , "In an inappropriate way" , "Not functioning properly" , "Out of order" , "Faulty" .)