Discouraging word (3)
I believe the answer is:
boo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discouraging word</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 boo that I've seen before include "Disapproving jeer" , "Startling utterance" , "get off!" , "Express noisy disapproval" , "Cry of contempt" .)