Absurd event (5)
I believe the answer is:
farce
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">absurd event</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for farce that I've seen before include "Burlesque" , "Comedy of high improbability" , "Ludicrous comedy" , "Absurdity" , "Stage comedy" .)