Snobbery
I believe the answer is:
arrogance
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">snobbery</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for arrogance that I've seen before include "Aggressive assertiveness" , "disdain" , "Wild self-importance" , "Offensive sense of superiority" , "Overbearing conceit" .)