The most common and most likely answer to this crossword clue is the 4 letter word ENDS
I've seen this crossword clue in The Guardian
E
N
D
S
More clues leading to the result ENDS
- Objects from old village fashionable no longer
- Blyton’s vacuous designs
- Finishes post from top to bottom
- Puts a stop to English nudist regularly getting stripped
- Conclusions from The Guardian panned Boris’s aims
- Deaths of Kennedys viewed regularly
- Aims for extremities
- Finishes features of cricket grounds
- Tips? Tips from eastern diners
- Goals from these eleven England players, finally
Buddy explains!

The straight part
We know that "Finishes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case finishes = ends.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 ENDS mean?
ENDS noun- The terminal point of something in space or time.
- (by extension) The cessation of an effort, activity, state, or motion.
- (by extension) Death.
- The most extreme point of an object, especially one that is longer than it is wide.
- Result.
- A purpose, goal, or aim.
- One of the two parts of the ground used as a descriptive name for half of the ground.
- The position at the end of either the offensive or defensive line, a tight end, a split end, a defensive end.
- A period of play in which each team throws eight rocks, two per player, in alternating fashion.
- An ideal point of a graph or other complex.
- That which is left; a remnant; a fragment; a scrap.
- One of the yarns of the worsted warp in a Brussels carpet.
- (in the plural) Money.
- To come to an end
- To finish, terminate.
- The area in close proximity to one's home; neighbourhood.
- Money.