The most common and most likely answer to this crossword clue is the 10 letter word ACCUSATION
A
C
C
U
S
A
T
I
O
N
Buddy explains!
The straight part
We know that "Arraignment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case arraignment = accusation.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 ACCUSATION mean?
ACCUSATION noun- The act of accusing.
- A formal charge brought against a person in a court of law.
- An allegation.