Supermax
adj, noun ·Rare ·Advanced level
Definitions
- 1 A prison with the highest possible level of security. US
"As he sits today in Supermax, Powers had amputated his fingers, a testicle, his scrotum and his earlobes, has cut his Achilles tendon, and had tried several times to kill himself."
- 1 Being, or pertaining to, such a prison. not-comparable
"Kaczynski had been held in the federal supermax prison in Florence, Colorado, since May 1998, when he was sentenced to four life sentences plus 30 years for a campaign of terror that set universities nationwide on edge."
Synonyms
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More examples"As he sits today in Supermax, Powers had amputated his fingers, a testicle, his scrotum and his earlobes, has cut his Achilles tendon, and had tried several times to kill himself."
Etymology
From super- + max (as in maximum security prison).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.