Unctuous
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unctuous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that unctuous can be written as oily)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for oily that I've seen before include "Smooth; like lubricant" , "Unpleasantly ingratiating" , "Greasy - obsequious" , "Viscous" , "Covered in lubricant" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unctuous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for greasy that I've seen before include "Sycophantic" , "Covered with fat" , "Oily in manner, covered with lubricant" , "Cheap 24" , "'Fatty, oily (6)'" .)