Absurd, laughable (9)
I believe the answer is:
ludicrous
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">absurd</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that absurd can be written as ludicrous)</span><br/ ><br/ >'<span class="explanation-format__original">laughable</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that laughable can be written as ludicrous)</span><br/ ><br/ ></span>
(Other definitions for ludicrous that I've seen before include "Farcical" , "Silly and laughable" , "Nonsensical" , "Utterly laughable" , "Absurd, ridiculous" .)