Cryptic crossword clue
Prison block needing the ultimate in security 6

The most common and most likely answer to this crossword clue is the 6 letter word CHOKEY

I've seen this crossword clue in The Guardian
C
H
O
K
E
Y


Buddy explains!

The straight part
We know that "Prison" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prison = chokey.
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 CHOKEY mean?

CHOKEY adjective
  1. Reminiscent of choking.
CHOKEY noun
  1. Prison
  2. A station, as for collection of customs, for palanquin bearers, police, etc.

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