Affectedly grand (7)
I believe the answer is:
pompous
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">affectedly grand</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for pompous that I've seen before include "Vain" , "Grandiose" , "Proud" , "Arrogant" , "Affectedly grand" .)