The most common and most likely answer to this crossword clue is the 13 letter word MISADVENTURES
I've seen this crossword clue in The Daily Telegraph
M
I
S
A
D
V
E
N
T
U
R
E
S
More clues leading to the result MISADVENTURES
Buddy explains!
The straight part
We know that "Accidents" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case accidents = misadventures.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 MISADVENTURES mean?
MISADVENTURES noun- An accidental mishap or misfortune.