The most common and most likely answer to this crossword clue is the 9 letter word SLAPSTICK
I've seen this crossword clue in The Guardian
S
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More clues leading to the result SLAPSTICK
- Funny spat in polished comedic genre
- Mates turned up with glue for knockabout comedy
- Past moves in polished comedy routines
- Soprano interrupting tap dancing in polished comedy
- Comical putting make-up on bear
- Pits restless during sluggish farce?
- Friend’s about to tolerate knockabout antics
- . Sort of comedy Friends recalled: touch of Seinfeld, right?
- Comic spat in polished custard- pie film?
- Criticism involving drinks farce
Buddy explains!

The straight part
We know that "Farcical" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case farcical = slapstick.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SLAPSTICK mean?
SLAPSTICK noun- A style of humor focusing on physical comedy, such as slipping on a banana peel, and with foolish characters who get into humiliating situations.
- A pair of sticks attached at one end and used to create a slapping sound effect, used especially in slapstick comedy; a type of clapper.