ほころばす

ほ

こ

ろ

ば

す

Meanings

1

godan verb (-su), transitive verb

rip open a seam; burst; break into a smile

usually written using kana alone

Transitive verb meaning to cause something to come apart at the seams, burst open, or (for a face) break into a smile. The smile sense is common in the expression 顔をほころばす.

彼かれはうれしそうに顔かおをほころばせた。
He broke into a happy smile.

縫ぬい目めをほころばしてしまった。

I accidentally ripped open the seam.