Copy, imitate (3)
I believe the answer is:
ape
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">copy</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(ape can mean to copy or imitate)</span><br/ ><br/ >'<span class="explanation-format__original">imitate</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for ape that I've seen before include "Our cousin" , "Imitate, clumsy person (colloq.)" , "drill" , "Monkey" , "Primate resembling a human" .)