Conspicuousness (10)
I believe the answer is:
prominence
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">conspicuousness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for prominence that I've seen before include "Importance; solar eruption" , "Something that sticks out" , "Highly visibility or importance" , "Thing that stands out" , "Hill" .)