intransitive verb
Definition: To feel sadness or regret about something that has happened or been done.
Example: She began to rue her decision to leave the job.
noun
Definition: A type of plant known for its strong smell, often used in traditional medicine, or a feeling of sorrow or regret.
Example: To their rue, they realized too late that they had made a mistake.
transitive verb
Definition: To feel sad or sorry about something that has happened, especially because it was a mistake or a bad decision.
Example: She will rue the day she decided to leave her job.