Bedaub (5)
I believe the answer is:
smear
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bedaub</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for smear that I've seen before include "allegation" , "Medical examiner may take this" , "sample on slide" , "Slanderous denigration of character" , "Bedaub with oily stuff - defame" .)