What is another word for un-doing?
Pronunciation: [ˈʌndˈuːɪŋ] (IPA) 
Un-doing refers to the act of reversing or canceling something that has been done previously. There are several synonyms for this term that can be used interchangeably in different contexts. The most common synonym is undo or unmake, which means to reverse the effects of something that has been done. Another synonym is nullify or invalidate, which refers to rendering something ineffective or invalid. Cancel, revoke, withdraw, and retract are other synonyms for un-doing that imply the reversal of a decision or action. Repeal, annul, and abolish are more formal synonyms that denote the cancellation of a law or agreement.
