undo Syllabification: (un·do)Pronunciation: /ˌənˈdo͞o/Translate undo | into French | into German | into Italian | into Spanish Definition of undo verb (undoes /-ˈdəz/, undoing; past undid; past participle undone) [with object] 1unfasten, untie, or loosen (something):the knot was difficult to undo 2cancel or reverse the effects or results of (a previous action or measure):there wasn’t any way Evelyn could undo the damage cancel (the last one or more commands executed by a computer). 3 formal cause the downfall or ruin of:Iago’s hatred of women undoes him noun Computing a feature of a computer program that allows a user to cancel or reverse the last one or more commands executed. Origin: Old English undōn (see un-2, do1)undo in other Oxford dictionaries Definition of undo in the British & World English dictionary
