Defeatist (11)
I believe the answer is:
pessimistic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">defeatist</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pessimistic that I've seen before include "Lacking hope for the future" , "Doubting - foreboding" , "Looking on the black side" , "Not seeing the bright side" , "Hopeless!" .)