Definition of unlock verb from the Oxford Advanced Learner's Dictionary

     

    unlock

     verb
    verb
    BrE BrE//ˌʌnˈlɒk//
     
    ; NAmE NAmE//ˌʌnˈlɑːk//
     
    Verb Forms present simple I / you / we / they unlock
    BrE BrE//ˌʌnˈlɒk//
     
    ; NAmE NAmE//ˌʌnˈlɑːk//
     
    he / she / it unlocks
    BrE BrE//ˌʌnˈlɒks//
     
    ; NAmE NAmE//ˌʌnˈlɑːks//
     
    past simple unlocked
    BrE BrE//ˌʌnˈlɒkt//
     
    ; NAmE NAmE//ˌʌnˈlɑːkt//
     
    past participle unlocked
    BrE BrE//ˌʌnˈlɒkt//
     
    ; NAmE NAmE//ˌʌnˈlɑːkt//
     
    -ing form unlocking
    BrE BrE//ˌʌnˈlɒkɪŋ//
     
    ; NAmE NAmE//ˌʌnˈlɑːkɪŋ//
     
     
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  1. 1unlock something to undo the lock of a door, window, etc., using a key to unlock the door opposite lock
  2. 2unlock something to discover something and let it be known The divers hoped to unlock some of the secrets of the seabed. Drama helps to unlock young people’s creative talents. the key to unlock the mystery
  3. 3unlock something to enable a mobile/cell phone to use any network rather than only one particular one Have an old phone lying around? Unlock it and keep it as a spare.
  4. 4unlock something to use a code or password (2) to get access to more data or features on a computer or phone, or in a computer game Players complete goals, unlock new levels and progress through the game. Additional features can be unlocked in-app for $5.99.
See the Oxford Advanced American Dictionary entry: unlock