unfasten
US /ʌnˈfæs.sən/
UK /ʌnˈfæs.sən/
1.
membuka, melepaskan
undo or open the fastening of (something)
:
•
She reached up to unfasten the top button of her dress.
Dia meraih untuk membuka kancing teratas gaunnya.
•
Please unfasten your seatbelt before leaving the aircraft.
Harap lepaskan sabuk pengaman Anda sebelum meninggalkan pesawat.