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

     

    unscrew

     verb
    verb
    BrE BrE//ˌʌnˈskruː//
     
    ; NAmE NAmE//ˌʌnˈskruː//
     
    Verb Forms present simple I / you / we / they unscrew
    BrE BrE//ˌʌnˈskruː//
     
    ; NAmE NAmE//ˌʌnˈskruː//
     
    he / she / it unscrews
    BrE BrE//ˌʌnˈskruːz//
     
    ; NAmE NAmE//ˌʌnˈskruːz//
     
    past simple unscrewed
    BrE BrE//ˌʌnˈskruːd//
     
    ; NAmE NAmE//ˌʌnˈskruːd//
     
    past participle unscrewed
    BrE BrE//ˌʌnˈskruːd//
     
    ; NAmE NAmE//ˌʌnˈskruːd//
     
    -ing form unscrewing
    BrE BrE//ˌʌnˈskruːɪŋ//
     
    ; NAmE NAmE//ˌʌnˈskruːɪŋ//
     
     
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  1. 1[transitive, intransitive] unscrew (something) to undo something by twisting or turning it; to become undone in this way I can't unscrew the lid of this jar.
  2. 2[transitive] unscrew something to take the screws out of something You'll have to unscrew the handles to paint the door.
See the Oxford Advanced American Dictionary entry: unscrew