Sentence examples for be undone from inspiring English sources

"be undone" is a correct and usable phrase in written English.
It can be used to refer to the act of reversing a course of action, undoing something that has been done, or to describe a situation that has reached an undesirable outcome, typically because of one's own actions. For example, "When she realized she had gone too far, it was too late for her words to be undone."