Biblical city destroyed for its wickedness (5)
I believe the answer is:
sodom
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">biblical city destroyed for its wickedness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sodom that I've seen before include "Wicked town of ancient Palestine, twinned with Gomorrah" , "Depraved town (Bible)" , "Place near Gomorrah" , "Wicked OT city" , "City fired" .)