UNLOCK


Meaning of UNLOCK in English

/ ˌʌnˈlɒk; NAmE ˌʌnˈlɑːk/ verb [ vn ]

1.

to undo the lock of a door, window, etc., using a key :

to unlock the door

OPP lock

2.

to discover sth and let it be known :

The divers hoped to unlock some of the secrets of the seabed.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.