究 JLPT N4 Kanji 究 — research, study JLPT N4 7 strokes Grade 3 Radical 穴 #368 most frequent Human Activities · Culture Art Readings On'yomiキュウク Kun'yomiきわ.める Example words 研究けんきゅうstudy; research; investigation 究極きゅうきょくultimate; extreme; final; eventual 研究室けんきゅうしつ(1) laboratory (2) seminar room (3) professor's office