ほころぶ Also written 綻ぶ Meanings Godan verb, Intransitive to begin to open; to come out to smile broadly See also: 顔がほころぶ (かおがほころぶ). to come apart at the seams (clothes) Words containing ほころぶ 顔がほころぶ (かおがほころぶ) to break into a smile Jinuma: Japanese Dictionary · Word lists