unbutton
US /ʌnˈbʌt̬.ən/
UK /ʌnˈbʌt̬.ən/
1.
déboutonner
to unfasten the buttons of something
:
•
Please unbutton your coat before you sit down.
Veuillez déboutonner votre manteau avant de vous asseoir.
•
She watched him slowly unbutton his shirt.
Elle le regarda lentement déboutonner sa chemise.