Alternate; different (5)
I believe the answer is:
other
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">alternate</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">different</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for other that I've seen before include "not like you" , "Different; additional" , "Throe (anag)" , "Very unusual" , "Alternate; additional" .)