Very ugly (7)
I believe the answer is:
hideous
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very ugly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for hideous that I've seen before include "Ghastly" , "Unsightly" , "Extremely ugly" , "revolting" , "Horrible" .)