<p><strong>Verb:</strong></p><ul><li>(used with object) to feel sorrow over; repent of; regret bitterly: to rue the loss of opportunities.</li><li>to wish that (something) had never been done, taken place, etc.: I rue the day he was born.</li></ul><p><strong>Noun:</strong></p><ul><li>sorrow; repentance; regret.</li><li>pity or compassion.</li></ul>