undo Pronunciation: /ʌnˈduː/Translate undo | into French | into German | into Spanish Italian translation of undovt (pt -did pp, -done) disfare; slacciare [dress, shoes]; sbottonare [shirt]; (fig) [Comput] annullareundo in other Oxford dictionaries Definition of undo in the British & World English dictionary Definition of undo in the US English dictionary