The most common and most likely answer to this crossword clue is the 6 letter word MATTED
I've seen this crossword clue in Financial Times
M
A
T
T
E
D
More clues leading to the result MATTED
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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 MATTED mean?
MATTED verb- To cover, protect or decorate with mats.
- To form a thick, tangled mess; to interweave into, or like, a mat; to entangle.
- Forming a thick tangled mess
- Covered with mats or matting