► 動詞謹慎  [きんしん]  [
謹慎する]    
meaning:  repent  rank: 3☆ 
彼は
自宅で謹慎している ⇨ He is banished himself to repent at his home
► 名詞謹慎  [きんしん]    
meaning:  repent  rank: 3☆ 謹慎処分 ⇨ 
More examples:- 葬式中に大声で笑うなんて不謹慎極まりない ⇨ It is extremely disrespectful to laugh out loud during a funeral