みっしつ【密室】
1〔密閉した部屋〕a closed room密室に閉じ込めるconfine a person in a room/keep a person in close confinement密室会議a ...
みっしつじんじ【密室人事】
a closed-door decision concerning personnel matters
みっしつのようす【密室の様子】
the state of a sealed room [chamber]
みっしつきょうふしょう【密室恐怖症】
claustrophobia [klɔ̀ːstrəfóubiə]
みっしつせいじ【密室政治】
backroom [closed-door] politics密室政治で総裁が決まったThe party president was chosen behind closed doors.