undo
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Pronunciation[change]
Verb[change]
Plain form |
Third-person singular |
Past tense |
Past participle |
Present participle |
- (transitive) If you undo an action, you reverse it.
- We can undo the damage to the system.
- (transitive) If you undo something, unfasten it.
- Could you undo my buckle for me?
- (computing) If you undo something in a computer program, you reverse a change done in the file.
- Antonym: redo
- I had to undo all of the bad edits that my naughty little brother made.
Noun[change]
- (computing) An undo is a function in a computer program that can reverse a change done to a file.
- This program can do up to 20 undoes.