Definition of unpack verb from the Oxford Advanced American Dictionary

     

    unpack

     verb
    verb
    NAmE//ʌnˈpæk//
     
    Verb Forms present simple I / you / we / they unpack
     
    he / she / it unpacks
     
    past simple unpacked
     
    -ing form unpacking
     
     
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  1. 1[transitive, intransitive] unpack (something) to take things out of a bag, suitcase, etc. I unpacked my bags as soon as I arrived. She unpacked all the clothes she needed and left the rest in the case. She went to her room to unpack. opposite pack
  2. 2[transitive] unpack something to separate something into parts so that it is easier to understand to unpack a theory
See the Oxford Advanced Learner's Dictionary entry: unpack