Sham; artificial
I believe the answer is:
pseudo
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">sham</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that sham can be written as pseudo)</span><br/ ><br/ >'<span class="explanation-format__original">artificial</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for pseudo that I've seen before include "False - souped (anag)" , "Use pod (anag.)" , "artificial" , "Pretentious, insincere" , "Dose up (anag.); pretentious" .)