Synonyms of prison in English:

prison

noun

  • 1 the prisons upstate are just as crowded
    jail, lockup, penal institution, detention center, jailhouse, penitentiary, correctional facility;
    informal clink, slammer, hoosegow, big house, stir, jug, brig, can, pen, cooler, skookum house, pokey, slam
    (be in prison) informal be inside, be behind bars, do time
  • Definition of prison in:

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