undo
/ʌnˈduː/
verb
- To reverse or cancel the effect of an action; to make something as if it never happened.
- You can undo your last move by pressing Ctrl+Z.
- She tried to undo the damage by apologizing immediately.
- I accidentally deleted the file, but I was able to undo the action.
- To open, unfasten, or loosen something that is tied, buttoned, or closed.
- She undid the buttons on her coat and hung it up.
- He struggled to undo the knot in the rope.
- Can you help me undo this jar lid? It's stuck.
- To cause the downfall or ruin of someone or something.
- A single mistake undid years of hard work.
- Greed undid the once-successful businessman.
- The scandal undid the politician's career.
noun
- A command or feature that reverses the last action, especially in computer software.
- Click the undo button to revert your last edit.
- He used undo to restore the text he had deleted.
- The program supports multiple levels of undo.