Make impure (10)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make impure</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 adulterate that I've seen before include "Make poorer by adding another substance" , "Corrupt" , "add inferior material?" , "Contaminate" , "Reduce purity" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make impure</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for contaminate that I've seen before include "Add impurities to" , "Make (something) impure" , "Taint" , "Add impurity to (something)" , "Poison" .)