Lucifer (5)
(Other definitions for devil that I've seen before include "Lived with Satan" , "See 11" , "Old Nick, Satan" , "Demon" , "Beelzebub, Satan" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lucifer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that lucifer can be written as Satan)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for satan that I've seen before include "arch-fiend" , "Fiend" , "Old Nick, Lucifer or Beelzebub" , "Prince of Darkness" , "The devil, Beelzebub" .)