Pornographic (4)
I believe the answer is:
blue
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pornographic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for blue that I've seen before include "Varsity sportsman" , "e.g. Indigo" , "Dispirited in cerulean way" , "Unusual moon" , "Miserable - cerulean" .)