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- Dictionaryundo/ʌnˈduː/
verb
- 1. unfasten, untie, or loosen (something): "the knot was difficult to undo" Similar Opposite
- 2. cancel or reverse the effects or results of (a previous action or measure): "there wasn't any way Evelyn could undo the damage" Similar Opposite
noun
- 1. a feature of a computer program that allows a user to cancel or reverse the last command executed: "the undo command"
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Sep 23, 2015 · UNDO definition: 1. to unfasten something that is fastened or tied: 2. to remove the good or bad effects of an…. Learn more.
Undo definition: to reverse the doing of; cause to be as if never done. See examples of UNDO used in a sentence.
If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it.
to unfasten something that is closed or tied: He undid the top button of his shirt and loosened his tie. undo verb [T] (REMOVE EFFECTS) to remove the effects of something that happened earlier: It’s difficult to undo the damage caused by a father who abandons his child.
Undo Definition. ŭn-do͝o. undid, undoes, undoing, undone. Meanings. Synonyms. Sentences. Definition Source. Origin. Verb. Filter. verb. undid, undoes, undoing, undone. To release or untie (a fastening) Webster's New World. Similar definitions. To reverse the doing of (something accomplished); do away with; cancel; annul. Webster's New World.
to open something that is tied or fastened: I took off my hat and undid my coat. Can you undo this knot for me? undo verb [T] (GET RID OF EFFECTS) B2. to get rid of the effects of something that has been done before: Some of the damage caused by pollution cannot be undone.
Dictionary definition of undo. To reverse, cancel, or negate a previous action, effect, or outcome. "She quickly realized her mistake and frantically tried to undo the damage." Detailed meaning of undo.
undo meaning, definition, what is undo: to open something that is tied, fastened...: Learn more.
1. If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it. [...] 2. To undo something that has been done means to reverse its effect. [...] 3. If a person, organization, or plan is undone by something, that thing causes their failure. [...] More.
1. If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it. [...] 2. To undo something that has been done means to reverse its effect. [...] 3. See also undoing. More. Conjugations of 'undo' present simple: I undo, you undo [...]
