This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A pen for pigs.

n. Slang A dirty or very untidy place.

n. A pigsty; an enclosure where pigs are kept.

n. Something extremely dirty or messy.

n. the pigpen cipher

n. A pen, or sty, for pigs.

n. A pen for pigs; a pigsty.

n. a pen for swine

"I supposed that walking into the pigpen was his equivalent of walking the plank."

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