Rue

A perennial suffrutescent plant (Ruta graveolens), having a strong, heavy odor and a bitter taste; herb of grace. It is used in medicine.

Fig.: Bitterness; disappointment; grief; regret.

To lament; to regret extremely; to grieve for or over.

To cause to grieve; to afflict.

To repent of, and withdraw from, as a bargain; to get released from.

To have compassion.

To feel sorrow and regret; to repent.

Sorrow; repetance.

European strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy

sadness associated with some wrong done or some disappointment; "he drank to drown his sorrows"; "he wrote a note expressing his regret"; "to his rue, the error cost him the game"