The most common and most likely answer to this crossword clue is the 4 letter word LIMP
I've seen this crossword clue in The Guardian
L
I
M
P
More clues leading to the result LIMP
- Large and mischievous kid without energy
- Flaccid member's no good if you do it
- Heart of Polish politician yielding
- Floppy disc petty officer removed from river
- Non-rigid airship deficient in breadth
- Clear losing papers is obstacle to smooth progress
- Without firmness proceed unsteadily
- Cheek about Moley’s gait
- Proceed with difficulty when airship fails to start
- Conclusion of evil and little devil is powerless
Buddy explains!

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 LIMP mean?
LIMP noun- An irregular, jerky or awkward gait.
- A scraper for removing poor ore or refuse from the sieve.
- To walk lamely, as if favouring one leg.
- (of a vehicle) To travel with a malfunctioning system of propulsion.
- To move or proceed irregularly.
- To call, particularly in an unraised pot pre-flop.
- A scraper of board or sheet-iron shaped like half the head of a small cask, used for scraping the ore off the sieve in the operation of hand-jigging.
- To be inadequate or unsatisfactory.
- Flaccid; flabby, like flesh.
- Lacking stiffness; flimsy
- (of a penis) not erect
- (of a man) not having an erect penis
- Physically weak
- To happen; befall; chance.
- To come upon; meet.