Megaprison

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    An extremely large prison. informal

    "Some 64,000 people have been arrested since the state of emergency began, some of whom have been transferred to a megaprison earlier this year."

Synonyms

All synonyms
megajail

Example

More examples

"Some 64,000 people have been arrested since the state of emergency began, some of whom have been transferred to a megaprison earlier this year."

Etymology

From mega- + prison.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.