The most common and most likely answer to this crossword clue is the 4 letter word OVER
I've seen this crossword clue in The Times
O
V
E
R
More clues leading to the result OVER
- Finished disguise, except the front
- Port not opened or finished
- Heading away from Channel port to the other side
- We’re done! Old TV recorder departs carried by Highland cattle
- Finished series of deliveries
- Completed / deliveries at Old Trafford
- Old vicar returning deliveries
- Heading to the back, wander past
- Having gone to America again
- More than in the past
Buddy explains!

The straight part
We know that "Finished" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case finished = over.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 OVER mean?
OVER noun- A set of six legal balls bowled.
- Any surplus amount of money, goods delivered, etc.
- To go over, or jump over.
- To run about.
- Discontinued; ended or concluded.
- Thoroughly; completely; from beginning to end.
- To an excessive degree; overly.
- From an upright position to being horizontal.
- Horizontally; left to right or right to left.
- From one position or state to another.
- Overnight (throughout the night).
- (usually with do) Again; another time; once more; over again.
- (procedure word) a procedure word meaning that a station is finished transmitting and is expecting a response.
- Physical positioning.
- By comparison.
- Indicating relative status, authority, or power
- Divided by.
- Separates the three of a kind from the pair in a full house.
- Finished with; done with; from one state to another via a hindrance that must be solved or defeated; or via a third state that represents a significant difference from the first two.
- While using, especially while consuming.
- Concerning or regarding.
- Above, implying superiority after a contest; in spite of; notwithstanding.
- In radio communications: end of sentence, ready to receive reply.
- A shore, riverbank.