A facility or part of a facility with minimal restrictions, designed to hold the least dangerous criminals of society.

a prison with more restrictions designed to hold the most dangerous criminals of society; supermax.

A town in Maryland.

(astrophysics, cosmology, astronomy, physics) The unknown portion of the Universe outside standard physics, including dark matter and dark energy.

(Canada, US) The seats high in the back of bleachers, stands, or the balcony at a theater or stadium, usually cheaper and with a poorer view than other seats.

plural of secret ballot

(US) The concerted national effort, principally by government, to keep the United States safe and resilient to terrorism and other hazards.

The screen of a mobile device, used to supply additional related content to its user while they are watching television.

plural of secret service

Alternative form of secondhand