Definitions

1. noun

a feeling of sadness or remorse because something unpleasant has happened or been done

“Her regret for breaking up with him still lingered.”

2. verb

to feel or express regret for something

“She began to regret her decision after seeing the negative impact it had.”

3. verb

to take something back or undo it

“He tried to regrate his words, but they had already been spoken.”