The most common and most likely answer to this crossword clue is the 11 letter word DERELICTION
I've seen this crossword clue in The Daily Telegraph
D
E
R
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L
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T
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N
More clues leading to the result DERELICTION
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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 DERELICTION mean?
DERELICTION noun- Willful neglect of one's duty.
- The act of abandoning something, or the state of being abandoned.
- Land gained from the water by a change of water-line.