Meaningconcave · hollow · sunkenOn'yomiオウKun'yomiくぼ.む · へこ.む · ぼこCommon compounds (3)凹凸 おうとつimbalance; inequality; unevenness; disparity凹み くぼみhollow; cavity; dent; depression凸凹 だくぼくinequality; imbalance; unevenness; difference