English

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

     

    unzip

     verb
    verb
    BrE BrE//ˌʌnˈzɪp//
     
    ; NAmE NAmE//ˌʌnˈzɪp//
     
    Verb Forms present simple I / you / we / they unzip
    BrE BrE//ˌʌnˈzɪp//
     
    ; NAmE NAmE//ˌʌnˈzɪp//
     
    he / she / it unzips
    BrE BrE//ˌʌnˈzɪps//
     
    ; NAmE NAmE//ˌʌnˈzɪps//
     
    past simple unzipped
    BrE BrE//ˌʌnˈzɪpt//
     
    ; NAmE NAmE//ˌʌnˈzɪpt//
     
    past participle unzipped
    BrE BrE//ˌʌnˈzɪpt//
     
    ; NAmE NAmE//ˌʌnˈzɪpt//
     
    -ing form unzipping
    BrE BrE//ˌʌnˈzɪpɪŋ//
     
    ; NAmE NAmE//ˌʌnˈzɪpɪŋ//
     
     
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  1. 1[transitive, intransitive] unzip (something) if you unzip a piece of clothing, a bag, etc., or if it unzips, you open it by undoing the zip that fastens it She unzipped his jacket, as if he were a child. The bag unzips at the side. opposite zip up
  2. 2 [transitive] unzip something (computing) to return a file to its original size after it has been compressed (= made smaller) synonym decompress opposite zip
See the Oxford Advanced American Dictionary entry: unzip