► 名詞留守  [(1)るす]    
meaning:  empty  rank: 2☆ 留守の
間に
泥棒が
入った ⇨ A burglar entered the house when nobody was home
► 形容動詞留守  [(1)るす]    
meaning:  absent  rank: 2☆ 
彼の
家に
行ったが留守だった ⇨ I went to his house but nobody was there
More examples:- 彼は一人で留守番をしている ⇨ He is staying home alone
 - 留守番電話 ⇨ A telephone with an answering machine