The most common and most likely answer to this crossword clue is the 4 letter word HALT
H
A
L
T
More clues leading to the result HALT
- Stop limping
- Stop bowler straddling line
- Stop royal ultimately entering Balmoral?
- Temporarily stop Henry the Eighth in flagrante
- Limp to railway station
- Stop game
- Stop learner driver wearing stetson?
- Stop Indian aircraft company's truck at first
- Stop Hindustan Aeronautics Limited transportation at first
- Come to a stop in lake in Panama, say
Buddy explains!

The straight part
We know that "Stop" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stop = halt.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 HALT mean?
HALT verb- To limp; move with a limping gait.
- To stand in doubt whether to proceed, or what to do; hesitate; be uncertain; linger; delay; mammer.
- To be lame, faulty, or defective, as in connection with ideas, or in measure, or in versification.
- To waver.
- To falter.
- A cessation, either temporary or permanent.
- A minor railway station (usually unstaffed) in the United Kingdom.
- To stop marching.
- To stop either temporarily or permanently.
- To bring to a stop.
- To cause to discontinue.
- Lameness; a limp.
- Lame, limping.