Sounding congested (5)
I believe the answer is:
nasal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sounding congested</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for nasal that I've seen before include "To do with nose, say sound" , "Relating to one's hooter" , "Hooters" , "Sniffer's" , "Describing some hooter" .)