supermax
adjEtymology From super- + max (as in maximum security prison).
1
Being, or pertaining to, such a prison.
- 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.2023 June 11, “‘Unabomber’ Ted Kaczynski died by suicide in prison – report”, in The Guardian, →ISSN: