unfasten   (Sound)

The unfasten has 2 Senses.

• unfasten
• 解く, 取外す, 離す, 解す, 取り外す, ほぐす, 外す, 解ぐす, 解ごす
• cause to become undone; "unfasten your belt"
• 未完成にさせる

• unfasten
• become undone or untied; "The shoelaces unfastened"
• 元に戻るか、解かれる