Vocabulary What does 六 (ろく, roku) mean? 六 (ろく, roku) means six; the number 6. Quick factsReadingろくRomajirokuPart of speechnumericLevel (estimated, JLPT framework)N5 六ろくN5 · estimated, JLPT frameworkCommonrokusix; the number 61numeric six; 6Example sentences六時(ろくじ)に起(お)きます。I get up at six o'clock.教室(きょうしつ)に学生(がくせい)が六人(ろくにん)います。There are six students in the classroom.Kanji in this word六six; the number 6