Rubble (6)
I believe the answer is:
debris
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rubble</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for debris that I've seen before include "Brides (anag) - bits and pieces" , "Rocky fragments" , "Detritus, rubbish" , "Brides among rubble" , "Rubble, detritus" .)