綻びるほころびる Common Ichidan Intransitive English jmdict 1 Ichidan verb intransitive verb word usually written using kana alone to come apart at the seams;to be ripped;to be torn See also: 綻ぶ (ほころぶ) 彼女のドレスのへりはほころびていた。 The border of her dress was torn. 2 Ichidan verb intransitive verb word usually written using kana alone to begin to open;to begin to bloom See also: 綻ぶ (ほころぶ) 3 Ichidan verb intransitive verb word usually written using kana alone to smile broadly;to break into a smile See also: 綻ぶ (ほころぶ)