Discomfiture (7)
I believe the answer is:
chagrin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discomfiture</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for chagrin that I've seen before include "Arching with annoyance and embarrassment" , "Annoyance at having been humiliated" , "Shame at one's failure" , "Discomfiture" , "Arching with annoyed disappointment" .)