綻ぶ

ほころぶ【綻ぶ】

1 〔花が〕 begin to open [bloom]; peep [come] out.

●つぼみがほころぶ a bud comes out.

●梅がほころび始めた. The plum blossoms have begun to come out.

2 〔顔が〕 smile broadly; beam.

●自然に顔がほころんでくる break out naturally into a broad smile.

●彼女の口元がほころんだ. Her mouth broadened in a smile.

3 〔衣類などが〕 ⇒ほころびる 1.