Perish (3)
I believe the answer is:
die
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">perish</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for die that I've seen before include "It may be used in a game" , "One spotted" , "Fail" , "On stage, suffer" , "Perish" .)