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- DictionaryUn·do/ˌənˈdo͞o/
verb
- 1. unfasten, untie, or loosen (something): "the knot was difficult to undo"
- 2. cancel or reverse the effects or results of (a previous action or measure): "there wasn't any way Evelyn could undo the damage"
noun
- 1. a feature of a computer program that allows a user to cancel or reverse the last one or more commands executed: "the undo command"
UNDO meaning: 1. to unfasten something that is fastened or tied: 2. to remove the good or bad effects of an…. Learn more.
Definition of undo verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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 we undo something, we cancel out its results, or reverse them. You might try to undo the damage caused by your little sister's baseball, offering to replace your neighbor's broken window. Formally, this verb also means "cause downfall or ruin," so you could say, "His love of power will undo him in the end."
5 days ago · 1. transitive verb. 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. I managed secretly to undo a corner of the parcel. I undid the bottom two buttons of my yellow and gray shirt. Synonyms: open, unfasten, loose, loosen More Synonyms of undo.
to open something that is tied or fastened: I took off my hat and undid my coat. Can you undo this knot for me? Want to learn more? Improve your vocabulary with English Vocabulary in Use from Cambridge. Learn the words you need to communicate with confidence. undo verb [T] (GET RID OF EFFECTS) B2.
From Longman Dictionary of Contemporary English Related topics: Computers un‧do /ʌnˈduː/ verb (past tense undid /-ˈdɪd/, past participle undone /-ˈdʌn/, third person singular undoes /-ˈdʌz/) [ transitive] 1 to open something that is tied, fastened, or wrapped The screws can be undone by hand.
