rue
- To feel regret, remorse, or sorrow for something. verbHe will rue the day he made that decision.She rued her harsh words as soon as they left her mouth.
- A European perennial herb (Ruta graveolens) with bitter strong-scented lobed leaves that are used in herbal medicine. nounThe garden was filled with various herbs, including rue.Rue has been traditionally used for its medicinal properties.