The most common and most likely answer to this crossword clue is the 4 letter word FOUL
I've seen this crossword clue in The Guardian
F
O
U
L
More clues leading to the result FOUL
- Mucky duck possibly picked up?
- Sound made by turkey perhaps is very unpleasant
- Unpleasant bird on the air
- We’re told ‘cock’, perhaps, is offensive
- Loathsome Foreign Office bully oddly ignored
- Use the wrong sort of tackle, perhaps
- Not quite satisfied, having eaten nothing disgusting
- Act of cheating winger reported
- Disgusting breach of the rules
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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 FOUL mean?
FOUL adjective- Covered with, or containing unclean matter; dirty.
- (of words or a way of speaking) obscene, vulgar or abusive.
- Detestable, unpleasant, loathsome.
- Disgusting, repulsive; causing disgust.
- Ugly; homely; poor.
- (of the weather) Unpleasant, stormy or rainy.
- Dishonest or not conforming to the established rules and customs of a game, conflict, test, etc.
- Entangled and therefore restricting free movement, not clear.
- Outside of the base lines; in foul territory.
- A breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; for example, tripping someone up in soccer, or contact of any kind in basketball.
- A (usually accidental) contact between a bowler and the lane before the bowler has released the ball.
- A foul ball, a ball which has been hit outside of the base lines.
- To make dirty.
- To besmirch.
- To clog or obstruct.
- To entangle.
- To make contact with an opposing player in order to gain advantage.
- To hit outside of the baselines.
- To become clogged.
- To become entangled.
- To commit a foul.
- To hit a ball outside of the baselines.