The most common and most likely answer to this crossword clue is the 5 plus 3 letter word LOOSE END
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More clues leading to the result LOOSE END
- Ducks spotted in vacant land? It's unexplained
- Eccentric daughter about to view something unexplained
- . Unresolved issue got easier after taking ecstasy together
- Can southern belle finally finish unfinished business?
- One’s dole for review, at which one is bored
- Edit one does after climax of novel — to resolve this?
- Throne spotted on summit of Dartmoor — that’s an unexplained thing
- At one, one’s free? One’s not yet decided
- Unfinished business in den, possibly?
- Unfinished business gents possibly deliver around the beginning of Easter
Buddy explains!

The straight part
We know that "Unfinished business" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unfinished business = loose end.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.