Meaning & Definition of word "Undo"

Undo

/ʌnˈduː/

1. to reverse the effect of something, typically to remove or cancel an action or a decision.
- Example: She used the 'undo' function to recover the deleted text.
2. to unfasten or open something that is tied or closed.
- Example: He had to undo the knot in the rope before he could use it.
3. to diminish or erase the success or progress made.
- Example: The team's poor performance in the last match undid all their earlier hard work.

Middle English, from un- + do.

undo changes:

To revert changes made to a document or application.

undo button:

A button or command in software that allows users to reverse their last action.

undoing oneself:

To hinder one's own progress or success.

redo:

To do something again, particularly after undoing it.

unravel:

To undo or separate the threads of something, making it less complex.

untie:

To release or remove ties or knots.

Meaning: Take back what you said.

Example Sentence: I didn't mean it, can I just undo that?

Meaning: Start over.

Example Sentence: This isn't working out, I just want to undo and try again.