Vainglorious (8)
I believe the answer is:
boastful
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vainglorious</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for boastful that I've seen before include "Talking with much pride" , "Vainglorious" , "Swollen-headed" , "Given to blowing one's own trumpet" , "Cocky" .)