Pompous language (7)
I believe the answer is:
bombast
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pompous language</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 bombast that I've seen before include "verbosity" , "High-flown language" , "pretentious speech" , "Pompous talk" , "hollow material" .)