Free from dirt (5)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">free from dirt</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 clean that I've seen before include "Squeaky?" , "Untainted" , "Untarnished" , "How confessor comes" , "Pure; fresh" .)