This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To remove the contents of (a suitcase, for example).

v. To remove from a container, from packaging, or from packing.

v. To remove a pack from (a pack animal).

verb-intransitive. To unpack objects from a container.

v. To remove from a package or container, particularly with respect to items that had previously been arranged closely and securely in a pack.

v. To empty containers that had been packed.

v. To analyze a concept or a text.

v. To undergo separation of its features into distinct segments.

v. To separate and remove, as things packed; to open and remove the contents of.

v. To relieve of a pack or burden.

To open, as things packed: as, to unpack goods.

To relieve of a pack or burden; unload; disburden.

v. remove from its packing

"The default stub calls unpack (), you see, and PHP 6 needs to be told that the second argument to unpack () is a binary string and not a Unicode string."

pack   

unpacked    unpacking    unpacks   

remove    take    withdraw    take away   

get out    uncrate    bring out    break out    unbox   

Loos   

Adak    Black    Braque    Chirac    Jack    Jacques    Lak    Mac    Mack    Macke   

unwrapped    till    subjugate    unroll    reconstruct    unbuttoned    published    unhooked    unbuckled    coiffed