Brazenness (8)
I believe the answer is:
audacity
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">brazenness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for audacity that I've seen before include "Boldness or cheeky daring" , "Boldness, may be brazen" , "Temerity" , "Boldness - such nerve!" , "Brass neck, boldness" .)