Murderer (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">murderer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(cutthroat is a kind of murderer)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cutthroat that I've seen before include "Ruthless in competition" , "Fiercely competitive -- type of razor" , "Ruthless, intense" , "killer" , "Murderer - fiercely competitive" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">murderer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that murderer can be written as killer)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for killer that I've seen before include "stupendous!" , "Extremely impressive" , "Type of whale" , "Slaughterer" , "One causes the death of another" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">murderer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(serial killer is a kind of murderer)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for serial killer that I've seen before include "One perpetrating many murders at different times" , "Regular butcher" , "Mass murderer" , "One carrying out a run of murders" .)