Feeling of uneasiness (7)
I believe the answer is:
malaise
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">feeling of uneasiness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for malaise that I've seen before include "Feeling of physical or mental illness" , "depression" , "Disquiet" , "Feeling of illness or mental uneasiness" , "Unease; lethargy" .)