The most common and most likely answer to this crossword clue is the 8 letter word DERISORY
I've seen this crossword clue in The Guardian
D
E
R
I
S
O
R
Y
More clues leading to the result DERISORY
- Ridiculous day your old dad returned
- Osier: dry, withered and pathetic
- In a cityis nothing totally unimportant
- Ridiculous order is changed before end of day
- When Roy rides out, it’s laughable
- Mocking father raised on board boat
- Ridiculously small fish cut by father from the back
- Is nothing in NI city ridiculous?
- Pathetic father twisting in party — pray, wanting rid of pa!
- Ridiculous one like that in Irish city
Buddy explains!

The straight part
We know that "laughable" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case laughable = derisory.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 DERISORY mean?
DERISORY adjective- Laughably small or inadequate.
- Derisive; laughable; ridiculous