General English


  • noun
    (written as ZIP)
    a filename extension given to files that contain compressed data, usually generated by the PKZIP shareware utility program


  • To compress files using a program such as WinZip or PKZIP.

Information & Library Science


  • noun nothing. Originally often used for a score of zero, the sound of zip evokes brusque dismissal. It has become a fashionable term in racy speech, as have its synonyms, such as zilch and zippo. Originating in the USA, zip is now heard in the UK.
  • noun an insignificant or worthless individual. An expression used on campus in the USA since around 2000. From the previous sense.