English

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Etymology

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From mega- +‎ prison.

Noun

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megaprison (plural megaprisons)

  1. (informal) An extremely large prison.
    Synonym: megajail
    • 2024 January 25, Iván Ulchur-Rota, “When Chaos Erupted in Ecuador, Disinformation Followed”, in The New York Times[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 2024-01-31:
      More than 3,000 people have been arrested since Jan. 9. The police have even released images of some detainees stripped down to their underwear, recalling images from Mr. Bukele's infamous megaprisons.