unzip - definition and synonyms

verb [transitive] 

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present tense
present participleunzipping
past tenseunzipped
past participleunzipped
  1. 1
    to open a piece of clothing or a bag by pulling a zip (=an object with two pieces of metal that fit together to fasten something)
  2. 2
    computing to increase the size of a file to its original size after it has been reduced, using a computer program