Used attributively to qualify nouns that are related to or derived from the herb rue.
Definitionen
Relating to, made from, or characteristic of the herb rue. She brewed a soothing cup of rue tea.
Feeling or showing regret or sorrow; sorrowful (archaic). With a rue expression, he apologized for his mistake.
Feeling or showing regret; sorrowful; rueful (archaic). With a rue expression, he admitted his mistake.