The most common and most likely answer to this crossword clue is the 2 plus 6 letter word BY CHANCE
I've seen this crossword clue in The Guardian
B
Y
C
H
A
N
C
E
More clues leading to the result BY CHANCE
- Perhaps where you might find Park Lane property?
- Unexpectedly, Bach work’s unknown within northern church
- Boy dropping round, shot accidentally
- Unexpectedly picked up bargain opportunity
- Accidentally purchase unoccupied church – Anglican one previously
- Brigade’s leader, close to guy shot accidentally
- Accidentally close to fortune
- Bishop, close to guy shot accidentally
Buddy explains!
The straight part
We know that "Unexpectedly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unexpectedly = by chance.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.