unzipPronunciation: /ʌnˈzɪp/Translate unzip | into French | into German | into Italian Definition of unzip verb (unzips, unzipping, unzipped) [with object] 1unfasten the zip fastener of: he unzipped his black jacket 2 Computing decompress (a compressed file). unzip in other Oxford dictionaries Definition of unzip in the US English dictionary