Cryptic crossword clue
World group court involved in absolute cause of deflation 8

The most common and most likely answer to this crossword clue is the 8 letter word PUNCTURE

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Buddy explains!

The straight part
We know that "cause of deflation" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cause of deflation = puncture.
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 PUNCTURE mean?

PUNCTURE noun
  1. The act or an instance of puncturing.
  2. A hole, cut, or tear created by a sharp object.
  3. (specifically) A hole in a vehicle's tyre, causing the tyre to deflate.
PUNCTURE verb
  1. To pierce; to break through; to tear a hole.

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