かいきゅう 階級 Common word JLPT N1 LinksSentence search for 階級Sentence search for かいきゅうKanji details for 階 and 級Edit in JMdict Noun1. (social) classかれ彼はちゅうりゅう中流かいきゅう階級ので出だ。He comes from the middle class.Noun2. rank; gradeかれ彼は２ねん年まえ前に、たいさ大佐のかいきゅう階級にしょうしん昇進した。He was raised to the rank of colonel two years ago. Discussions Log in to talk about this word.