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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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1. : to open or loose by releasing a fastening. 2. : to make of no effect or as if not done : make null : reverse. 3. a. : to ruin the worldly means, reputation, or hopes of. a politician undone by scandal. b. : to disturb the composure of : upset. she's come undone. c. : seduce sense 3. intransitive verb.
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.
UNDO meaning: 1. to unfasten something that is fastened or tied: 2. to remove the good or bad effects of an…. Learn more.
undo something to cancel the effect of something. He undid most of the good work of the previous manager. It's not too late to try and undo some of the damage. UNDO (= a command on a computer that cancels the previous action) Just select ‘Edit’ and ‘Undo’ to cancel the previous action.
1. To reverse or erase; annul: impossible to undo the suffering caused by the war. 2. To untie, disassemble, or loosen: undo a shoelace. 3. To open (a parcel, for example); unwrap. 4. a. To cause the ruin or downfall of; destroy. b. To throw into confusion; unsettle. v.intr. To come open or unfastened. un·do′er n.
When you undo something, you make it invalid, like when governments undo treaties they've signed in the past. Another way to undo is simply to open: "I couldn't undo the knot on my sneakers, so I just slipped them off." When we undo something, we cancel out its results, or reverse them.
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 [...]
UNDO (= a command on a computer that cancels the previous action) [usually passive] undo somebody/something (formal) to make someone or something fail The team was undone by the speed and strength of their opponents.
