The most common and most likely answer to this crossword clue is the 7 letter word PRISONS
I've seen this crossword clue in The Guardian
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More clues leading to the result PRISONS
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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 PRISONS mean?
PRISONS noun- A place or institution of confinement, especially of long-term confinement for those convicted of serious crimes or otherwise considered undesirable by the government.
- Confinement in prison.
- Any restrictive environment, such as a harsh academy or home.
- To imprison.