Expressed in verse (6)
I believe the answer is:
poetic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">expressed in verse</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 poetic that I've seen before include "Imaginative; like verse" , "rhythmical" , "lines?" , "Ice pot (anag.)" , "Characterized by romantic imagery" .)