Vocabulary What does 寝室 (しんしつ, shinshitsu) mean? 寝室 (しんしつ, shinshitsu) means bedroom. Quick factsReadingしんしつRomajishinshitsuPart of speechnoun 寝室しんしつshinshitsubedroom1noun bedroomKanji in this word寝sleep, lie down室room