Lickspittle (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lickspittle</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sycophant that I've seen before include "Austen's Mr Collins?" , "obsequious one" , "receiving ultimate in flattery from one such?" , "Creep" , "Uriah Heep, say" .)
(Another definition for yesman that I've seen is " A most agreeable chap".)