1) 退室たいしつ #18,624 Inflections of 退室 Class Suru verb Stem Inflected ending ✕ Link copied! たいしつ [0] Meaning Shirabe Noun Suru verb Intransitive verb exiting a room See also: 入室 (にゅうしつ) 怒おこった先生せんせいはジョニー君くんを教室きょうしつから退室たいしつさせました。 The teacher was really upset and threw Johnny out of class. Kanji 退 タイ retreat, withdraw, retire 室 シツ room, apartment, chamber Forms 退室#18,624退室たいしつたいしつたいしつ