[verb] [T] [formal] - to put or keep (someone) in prison or a place used as a prisonThousands of dissidents have been interrogated or incarcerated in recent weeks.(figurative) We were incarcerated in (= were inside and unable to leave) that broken elevator for four hours.
INCARCERATE
Meaning of INCARCERATE in English
Cambridge English vocab. Кембриджский английский словарь. 2012