Definition of Undo

to reserve or cancel

Examples of Undo in a sentence

I tried to undo my typing mistake, but couldn’t get it to reverse.  

The woman regretted cheating on her husband and wished she could undo her mistake.  

The company tried to undo the t-shirt order and get their money back.  

If you could undo your last chess move, you would have won the game.  

The cashier needed a key to undo her mistake and give the customer his refund.  

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