Read Edit View history 凹下 āoxià to sink in Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 凹下 āoxià to sink in to become hollow, concave, or sunken; to dent inward Edit Delete References Add reference antonym 凹下/凹下 → 凸起/凸起 Edit Delete antonym 凹下/凹下 → 隆起/隆起 Edit Delete antonym 凸起/凸起 → 凹下/凹下 Edit Delete