Pronunciation: /ʌnˈduː/
verb to reverse the effects of an action or process
A1 I accidentally deleted my email, but I was able to undo it.
A2 She pressed the wrong button, but luckily there was an option to undo the action.
B1 Before making any changes, make sure you know how to undo them if needed.
B2 The software allows you to undo multiple actions with just a few clicks.
C1 It is important to have a backup plan in case you cannot undo a major mistake.
C2 The program has a feature that automatically saves your work, making it easy to undo any changes.
formal It is not always possible to undo the changes once they have been made.
informal You can't undo that mistake, so be more careful next time.
slang I wish I could just hit undo on that decision.
figurative Some things in life cannot be undone, no matter how much we wish they could.
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more undo
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