vergare significa in inglese

unbend [unbent, unbent, unbending, unbends]▼(to remove a bend)
verb
[UK: ˌʌn.ˈbend] [US: ˌʌn.ˈbend]

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