じゅうばこすみ 重箱の隅 LinksSentence search for 重箱の隅Sentence search for じゅうばこのすみKanji details for 重, 箱 and 隅Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. unimportant things; insignificant things; triflesIdiomatic expression, See also 重箱の隅をつつく Discussions Log in to talk about this word.