欠 あくび yawn N2 #9,422 Meanings also 欠伸 noun, takes する, intransitive, usually in kana yawn; yawning noun kanji "yawning" radical (radical 76) けつ noun lack; deficiency; vacancy absence; non-attendance Its kanji 欠 ケツ、ケン · か.ける、か.く lack, gap, fail, yawning radical (no. 76)