undo
Pronunciation:
/ʌnˈduː/noun
Definitions
An operation that reverses a previous action.
Example: How many undos does this program support?
verb
Definitions
To reverse the effects of an action.
Example: Fortunately, we can undo most of the damage to the system by the war.
To unfasten.
Example: Could you undo my buckle for me?
To impoverish or ruin, as in reputation; to cause the downfall of.