Vocabulary What does 姉妹 (しまい, shimai) mean? 姉妹 (しまい, shimai) means sisters. Quick factsReadingしまいRomajishimaiPart of speechnounLevel (estimated, JLPT framework)N3 姉妹しまいN3 · estimated, JLPT frameworkCommonshimaisisters1noun sistersExample sentences私(わたし)たちは三人(さんにん)姉妹(しまい)です。We are three sisters.あの姉妹(しまい)はよく似(に)ています。Those sisters look very much alike.Kanji in this word姉older sister妹younger sister