補欠 ほけつ filling a vacancy #7,683 Meanings noun, takes の filling a vacancy; supplementation noun substitute; deputy; alternate; spare Its kanji 補 ホ · おぎな.う supplement, supply, make good, offset, compensate, assistant, learner 欠 ケツ、ケン · か.ける、か.く lack, gap, fail, yawning radical (no. 76)