Concede defeat (4,4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">concede defeat</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for back down that I've seen before include "Withdraw challenge" , "Withdraw argument in face of opposition" , "Withdraw (aggressive) claim" , "Withdraw opinion or claim" , "Give up claim or withdraw argument" .)