déverrouiller bedeutet auf Englisch

unlock [unlocked, unlocking, unlocks]▼◼◼◼(give access to something)
verb
[UK: ʌn.ˈlɒk] [US: ʌn.ˈlɑːk]The door was unlocked. = La porte était déverrouillée.

unlock [unlocked, unlocking, unlocks]▼◼◼◼(to undo or open a lock)
verb
[UK: ʌn.ˈlɒk] [US: ʌn.ˈlɑːk]The door was unlocked. = La porte était déverrouillée.

unbolt▼◼◻◻(unlock by undoing bolts)
verb
[UK: ʌn.ˈbəʊlt] [US: ʌnˈboʊlt]