Damage, impair (6)
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">damage</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >'<span class="explanation-format__original">impair</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ ></span>
(Other definitions for deface that I've seen before include "ruin" , "Spoil or damage the surface of" , "Deliberately spoil the appearance of something" , "Spoil surface of, mar" , "blemish" .)
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">damage</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(to mar is to spoil or damage)</span><br/ ><br/ >'<span class="explanation-format__original">impair</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that impair can be written as mar)</span><br/ ><br/ ></span>
(Other definitions for mar that I've seen before include "wreck" , "'Impair, spoil (3)'" , "hurt" , "A windy month" , "Oh dear!" .)