In words (6)
I believe the answer is:
verbal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">in words</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 verbal that I've seen before include "Spoken, oral" , "Relating to words" , "Sound (the hour); find (oil)" , "Spoken (abuse)" , "It's said" .)