расстёгивать meaning in English

loose [loosed, loosing, looses]▼(to unfasten)
verb
[UK: luːs] [US: ˈluːs]

unbuckle [unbuckled, unbuckling, unbuckles]▼(to unfasten (the buckle of))
verb
[UK: ˌʌn.ˈbʌk.l̩] [US: ˌʌn.ˈbʌk.l̩]

undo [undid, undone, undoing, undoes]▼(to unfasten)
verb
[UK: ʌn.ˈduː] [US: ʌn.ˈduː]

unfasten [unfastened, unfastening, unfastens]▼(to detach from any connecting agency or link, see also: disconnect)
verb
[UK: ʌn.ˈfɑːs.n̩] [US: ʌn.ˈfæs.n̩]

unfasten [unfastened, unfastening, unfastens]▼(to come unloosed or untied)
verb
[UK: ʌn.ˈfɑːs.n̩] [US: ʌn.ˈfæs.n̩]