Undo

/ʌnˈduː/

Meaning & Definition

verb

to reverse the effect of something, typically to remove or cancel an action or a decision.

She used the 'undo' function to recover the deleted text.

to unfasten or open something that is tied or closed.

He had to undo the knot in the rope before he could use it.

to diminish or erase the success or progress made.

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.

Take back what you said.

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

Start over.

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